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DC forensic lab under scrutiny after evidence errors discovered in murder cases

The Firearms Examination Unit houses the guns it collects from crimes inside the city鈥檚 department of forensics. (蜜桃视频app/Megan Cloherty)

Federal prosecutors in D.C. have opened a sweeping audit into the handling of ballistics evidence by the District鈥檚 forensic lab after the discovery of a botched analysis that falsely linked two killings 鈥 a review that could throw into question evidence in other cases.

So far, that audit, which began in the spring and is being made public for the first time through this 蜜桃视频app report, has reviewed 60 cases in D.C. Superior Court and found discrepancies in 12 separate cases. In six of those cases, auditors came up with different conclusions about the evidence than examiners at the D.C. Department of Forensic Science鈥檚 firearms unit. Some of those discrepancies involved cases in which the independent examiners were able to match bullets or cartridge casings where the lab鈥檚 examiners were not.

According to court documents, prosecutors have been using outside experts for at least the past six months to reexamine all ballistics evidence handled by the forensic lab in cases currently scheduled to go to trial. In an April 23 letter to the head of the Department of Forensic Sciences, then-U. S. Attorney Timothy Shea and D.C. Attorney General Karl Racine wrote they were taking the step 鈥渢o protect the viability of our prosecutions.鈥

The existence of the ballistics audit is now rippling through the court system as it must be disclosed to defense attorneys preparing for trial because it’s information that could change how they argue their client’s case.

A review of court records shows some of the DFS examiners whose work was flagged in the ballistics audit have also worked on some of the most high-profile murder cases in the District, including reviewing ballistics evidence in the 2018 gang-related killing of 10-year-old Makiyah Wilson in Northeast, D.C. So far, no errors have been discovered in that case.

Distrust has been growing between the U.S. Attorney鈥檚 Office for D.C. and the District鈥檚 forensics lab since at least last fall, stemming from an apparently separate F.B.I. and U.S. Attorney鈥檚 Office probe into the lab鈥檚 firearms unit. No criminal wrongdoing was found in that investigation, but the U.S. Attorney’s Office did recommend the District鈥檚 inspector general look into 鈥渕ismanagement, poor judgment, and failures of communication鈥 within the agency, .

The Department of Forensic Sciences, or DFS, is an independent agency that analyzes evidence from crime scenes across the city 鈥 guns, DNA and fingerprints 鈥 and it processes evidence for multiple other agencies, including the Secret Service and D.C. police. The lab鈥檚 director, Jenifer Smith, is appointed by D.C. Mayor Muriel Bowser.

Court documents show the relationship between federal prosecutors and the lab has strained nearly to the breaking point recently with both sides accusing the other of serious misconduct.

In the case in which D.C. forensic examiners erroneously connected two killings through a faulty analysis of shell casings, the audit team found at least six different DFS firearms examiners reached 鈥渟cientifically unsupportable鈥 conclusions, including one examiner who apparently compared shell casings from the wrong case and another examiner who changed his official finding, years after first looking at the evidence, without providing any explanation.

DFS declined to turn over all the documents requested by prosecutors that might explain how the errors were made, according to prosecutors, who then took the extraordinary step of taking DFS to court to force the agency to turn them over.

鈥淭his case may reflect a first in American jurisprudence 鈥 a prosecutor鈥檚 office seeking documents from its own crime laboratory using a court鈥檚 subpoena power,鈥 Assistant U.S. Attorney Michael Spence wrote in a Sept. 2 court filing.

Controversial audit

bullets
Shell casings on display for analysis at the D.C. forensics lab’s Firearms Examination Unit are seen in the September 2019 photo. (蜜桃视频app/Megan Cloherty)

In court papers, prosecutors have positioned the ballistics audit as being in the same vein as a 2014-2015 audit of DNA casework. A national accreditation board later found “insufficient and inadequate” practices at the lab, and it was ordered to temporarily suspend DNA casework. The lab鈥檚 DNA operations were halted for about nine months.

However, the ballistics audit is contentious.

The Department of Forensic Sciences has declined to participate in the independent audit or hand over all of the documents requested by prosecutors, according to court papers.

The lab maintains that District law requires that complaints about testing, quality control or misidentification be investigated not by federal prosecutors but by the lab鈥檚 independent Science Advisory Board.

鈥淭he Board has been fully briefed on the concerns expressed by prosecutors about the DFS firearms examination unit,鈥 the forensic lab said in a statement provided to 蜜桃视频app. 鈥淭he Board has reviewed DFS’s response to these concerns in its last two public Science Advisory Board meetings, and recently approved the agency’s firearms procedures and processes.鈥

In addition, earlier this month the American National Standards Institute鈥檚 National Accreditation Board, which provides the accreditation necessary for the D.C. lab to operate, completed its own audit of the agency.

The findings of that audit have not been made public. However, , dated Oct. 1 and available online, indicates the lab was reaccredited to process firearms evidence through December 2022.

The ANAB audit 鈥渃losed all complaints as 鈥榥ot valid,鈥 and certified DFS鈥檚 continuing accreditation,鈥 the DFS statement said.

The Public Defender Service has also taken issue with the prosecutors鈥 review.

In a June 15 letter to the U.S. Attorney鈥檚 office, PDS director Avis Buchanan and special counsel Jessica Willis laid out some of their concerns, arguing that the audit team is too cozy with prosecutors 鈥 the letter deliberately put quotation marks around the word 鈥渋ndependent鈥 when referencing the auditors 鈥 since prosecutors have previously hired the auditors in the past to serve as expert witnesses to defend challenged evidence.

The audit team is made up of Bruce Budowle, a well-known DNA expert, and James Carroll and Todd Weller, who are both qualified forensic firearms and toolmark examiners. Weller is the vice chair of the firearms and toolmarks subcommittee organized by the federal government鈥檚 National Institute of Standards and Technology, which is tasked with developing and maintaining national standards in the field of firearms evidence analysis.

In the letter, the two PDS attorneys also wrote that their agency, which represents people charged in criminal cases in D.C. who do not have the financial resources to afford lawyers, should have had some input into the creation of the audit team, along with other 鈥渘on-prosecution stakeholders.鈥

Case at center of probe

The case at the center of the probe involves two shootings in D.C. which both took place in 2015.

On Aug. 18 of that year, 21-year-old Amari Jenkins was gunned down outside a Southeast church. On Nov. 12, Antwan Baker, 29, was fatally shot in the Clay Terrace neighborhood of Northeast.

The National Ballistic Integrated Information Network, an automated database which stores and compares digital images of bullets and cartridge casings from crime scenes across the country, alerted the D.C. forensic lab that the ballistics evidence indicated the two cases might be linked. A firearms examiner at DFS analyzed the evidence, purportedly confirming the match and establishing that the same gun was used.

In 2017, Rondell McLeod (or Ron McLeoud as it鈥檚 listed in court files) and Joseph Brown were charged in both killings based, in part, on that ballistics evidence.

It was only as prosecutors prepared to take McLeod to trial on two charges of first-degree murder 鈥 nearly four years after the initial analysis 鈥 that they say they learned there was a problem with the original analysis.

Prosecutors sent all the ballistics evidence to be reexamined by a single outside expert in Montana ahead of the trial. In his report, Travis Spinder concluded the 10mm shell casings found at each crime scene were not fired by the same gun.

鈥淚n other words, his conclusion is that the same 10mm gun was not used in both murders,鈥 Assistant U.S. Attorney Michael Spence wrote in a Jan. 8 email to McLeod鈥檚 defense attorneys. 鈥淣eedless to say, this is a different conclusion than the one reached by the initial DFS examiner.鈥

The outside analysis was later confirmed by four other outside experts, prosecutors said.

In court documents, prosecutors say their decision to launch the audit of quality control at the forensic lab鈥檚 firearms unit stemmed from this error 鈥 as well as the lab鈥檚 reaction when it was alerted to it.

When prosecutors went to the lab in January with the news that the original analysis carried out by firearms examiners was faulty, DFS at first insisted prosecutors were 鈥渃onfused鈥 and must have sent the outside examiner the wrong evidence, the agency鈥檚 general counsel, Todd Smith, wrote to the prosecutor鈥檚 office.

鈥淕oing forward, we鈥檇 greatly appreciate the opportunity to assist your office in ensuring your rework request process doesn鈥檛 itself become a regular source of errors,鈥 Smith wrote.

In a memo sent a few weeks later to then-Deputy Mayor for Public Safety and Justice Kevin Donohue, DFS Director Jenifer Smith 鈥渄oubled down鈥 on that explanation, prosecutors said, claiming that the outside expert had confirmed all the lab鈥檚 conclusions and then complaining to Donohue that federal prosecutors had begun redoing the lab鈥檚 cases and introducing new errors into the process.

Prosecutors and the audit team said the lab director鈥檚 accusations were inaccurate on nearly all counts: The responsibility for sending evidence to the outside examiner lay with DFS, not prosecutors; Spinder, the outside examiner, was sent the correct evidence by DFS; and more significantly, Spinder did not confirm the lab鈥檚 conclusion but came to the complete opposite one.

The audit team said the faulty analysis that linked the killings wasn鈥檛 the result of a single error. In total, the audit team said at least six DFS firearms examiners working the McLeod case incorrectly concluded the shell casings were fired by the same gun or that the evidence was inconclusive.

The first review of the shell casings that falsely linked Jenkins and Baker鈥檚 killings came in January 2016, when a DFS examiner concluded the two 10mm shell casings found at the two different crime scenes were fired by the same gun.

Another examiner in the firearms unit verified his conclusion. Several months later, however, the original examiner failed a proficiency exam, according to court documents, which triggered an automatic redo of some of his work. (Errors in his casework were later discovered, and he left the agency in 2017.)

As part of the redo of his caseload, a third DFS examiner took a look at the shell casings from the two crime scenes in August 2017. She, too, concluded they were fired from the same gun; a fourth DFS examiner then verified her analysis.

However, the audit team determined the third examiner actually looked at two shell casings from a different case entirely, based on the photographs in her case notes. 鈥淭he audit team was unable to determine how or why this occurred,鈥 prosecutors wrote in court filings summarizing the audit team鈥檚 work.

After the outside auditor issued its interim findings on May 21, Jenifer Smith, the director of the forensic lab, wrote to the U.S. Attorney鈥檚 office on May 22 and, for the first time, acknowledged what it called an 鈥渁dministrative error鈥 in the analysis that linked the killings of Baker and Jenkins.

Smith said it appeared the error happened when the third examiner, who Smith said was no longer employed by the lab, attached the wrong photograph of shell casings to her report.

In the letter, Smith also revealed that the fourth firearms examiner who had verified that second round of analysis, had looked at the case again and recently changed his finding: Rather than deeming the two shell cases a match, instead he said it was 鈥渋nconclusive.鈥 The finding of 鈥渋nconclusive鈥 was also reached by two additional DFS examiners.

In a June 4 update on their ongoing review, auditors said it was unlikely that the false ID was simply an administrative mistake 鈥 as cited by the director 鈥 because the underlying conclusion changed.

They also pointed out there were no documents explaining why the verifier had only recently changed his conclusion. And, in any case, they said the new finding of 鈥渋nconclusive鈥 was still incorrect. There were, in fact, 鈥渟ignificant differences鈥 in the casings鈥 characteristics that allowed the independent examiners to rule them out as being fired from the same gun.

Court battle over documents

Last spring, several months after that botched ballistics analysis came to light, prosecutors agreed to sever the indictment, meaning the two murders that McLeod and Brown were charged with would be tried in separate trials.

However, McLeod鈥檚 lawyer, Steven Kiersh, took it a step further, asking a judge to dismiss the murder indictment entirely. In a motion, he argued the two killings were only 鈥渓inked together by ballistics testimony that has subsequently been debunked and proven to be false.鈥

In a second filing, the defense attorney called the original analysis 鈥渁 complete and intentional fraud that was designed to mislead a grand jury by law enforcement officials in an effort to have Rondell McLeod charged with two separate first-degree murders. Rondell McLeod鈥檚 entire life hangs in the balance based upon the outcome of these cases.鈥

Prosecutors sought to quash the motion, arguing that ample other evidence linked McLeod to the first killing he was set to be tried on and that, while the ballistics evidence was clearly incorrect, there was no evidence the DFS examiners intentionally misled the grand jury.

But in order to make that case, prosecutors needed documents from the lab showing the multiple erroneous analyses linking the two killings weren鈥檛 intentional. DFS refused to turn over the documents, citing attorney-client privilege in part, which led prosecutors to take the unprecedented step of subpoenaing the lab to hand them over.

That court battle consumed much of the summer.

Finally, in September, the lab agreed to hand over some files, but prosecutors said they were so heavily redacted 鈥渢hey rendered the documents useless to any reviewer,鈥 and complained to the judge that the lab still hadn鈥檛 provided 鈥渁 scrap of paperwork鈥 showing how the false identification at the heart of the McLeod case had occurred.

鈥淭hus, more than three years after (the examiner)鈥檚 review of the evidence in this case, and eight months after the government informed DFS of her error, we are no closer to understanding what actually happened,鈥 Assistant U.S. Attorney Spence wrote in a Sept. 22 filing.

Spence urged the judge to 鈥渆xpose the documents DFS seeks to protect to the full light of day,鈥 writing, 鈥淭he U.S. Attorney鈥檚 Office is entitled to full transparency so that it can demonstrate to the court that it was not complicit in the myriad false statements issued by DFS denying the existence of a false identification.鈥

Last month, D.C. Superior Court Judge Todd Edelman ordered DFS to turn over the remaining documents to him to review privately. According to court records, those files were turned over on Oct. 16.

Another court hearing in the case, as the judge considers whether to toss the indictment against McLeod, is set for Nov. 10.

Editor’s note: An earlier version of this story incorrectly said the D.C. Department of Forensic Science temporarily lost accreditation to perform DNA testing in 2015. In fact, the lab did not lose accreditation, but a national accreditation board audit found “insufficient and inadequate” practices at the lab, and it was ordered to temporarily suspend DNA casework.聽

Jack Moore

Jack Moore joined 蜜桃视频app.com as a digital writer/editor in July 2016.聽Previous to his聽current role,聽he covered federal government management and technology as the news editor at Nextgov.com, part of Government Executive Media Group.

Megan Cloherty

An award-winning journalist, Megan Cloherty is podcast host and producer of the 鈥22 Hours: An American Nightmare.鈥 She previously served as 蜜桃视频app Investigative Reporter covering breaking news, crime and courts.

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