Judge Halts Hearing in Tarpinian-Jachym Murder Case

A conflict of interest involving the defense attorney for one defendant forces the court to appoint new counsel before expert testimony can be considered.

Updated on Nov. 6, 2026 in Violence

Judge Halts Hearing in Tarpinian-Jachym Murder Case

Judge Danya Dayson halted an expert testimony hearing in the killing of 21-year-old Eric Tarpinian-Jachym after determining that Jailen Lucas's public defender had a conflict of interest that could not be waived. Lucas must be assigned a new attorney, and the case returns to court Tuesday, November 10, 2026.

Why it matters

The ruling delays the trial, which is scheduled for February 1, 2027, and affects how quickly the case moves through Washington's courts. It also shows how a defense conflict can stall proceedings even as prosecutors build their evidence.

Jailen Lucas, Naqwan Lucas and Kelvin Thomas Jr. are charged in the death of Eric Tarpinian-Jachym, with a trial set for February 1, 2027. The court will address appointment of a new attorney for Jailen Lucas at the November 10 hearing, and the ballistics link to the recovered Glock remains preliminary.

The players

Danya Dayson

Judge Danya Dayson presides over the Superior Court of the District of Columbia and has the authority to rule on the defense conflict and appoint replacement counsel.

U.S. Park Police

The U.S. Park Police is a federal law enforcement agency within the National Park Service that recovered the Glock handgun in the October 21 traffic stop.

The details

Tarpinian-Jachym, a college student interning on Capitol Hill, was killed near the Walter E. Washington Convention Center on June 30, 2025. U.S. Park Police recovered a Glock 19 Gen5 9mm handgun during an October 21 traffic stop involving one adult and two juveniles, and a preliminary NIBIN lead suggests a possible connection to a shell casing from the scene.

Timeline

  1. June 30, 2025: Eric Tarpinian-Jachym is killed near the Walter E. Washington Convention Center.

  2. October 21, 2026: U.S. Park Police recover a Glock handgun during a traffic stop.

  3. November 6, 2026: Judge Danya Dayson halts the expert testimony hearing over the attorney conflict.

  4. November 10, 2026, 9:30 a.m.: The case returns to court for appointment of a new attorney.

  5. February 1, 2027: Scheduled trial date.

Legal Context

The ruling applies the Sixth Amendment right to counsel established in Gideon v. Wainwright (1963), which requires that defendants have effective representation. Courts routinely pause proceedings when a conflict threatens that guarantee, even at significant cost to the pace of a case.

Residents near the Capitol Hill and Convention Center area may notice continued police activity tied to the ongoing investigation. The delay means the case will not reach trial until February 1, 2027 at the earliest.

The takeaway

Procedural delays in violent crime cases often reflect the constitutional protections defendants are owed, not a stall in the investigation itself. Readers following the case should watch the November 10 hearing for confirmation of new counsel and the February 1, 2027 trial date.

What happens next

The case returns to court Tuesday, November 10, 2026, at 9:30 a.m., when Judge Dayson is expected to address appointment of a new attorney for Jailen Lucas.

Further reading

For more on similar cases, see Violence coverage across the region.

Source note: This article includes information reported by WJLA.