COLUMBIA, Md. — Howard County police have now made four arrests in connection to a fatal shooting in Columbia on January 14.
Lance Carrington, 17, was found dead in the driver's seat of a parked vehicle.
Police say four teens set up the victim, arranging to meet for a drug transaction when they really planned to rob him of a handgun.
RELATED: Teen found dead in parked vehicle in Columbia Tuesday night
Janae Baker, 18, Kendall Stagg, 18 and Charles Epperson Jr. 19, are already in custody and are charged with first-and second-degree murder.
As of March 21, police have arrested a fourth person, 20-year-old Jeremiah Robinson.
Robinson has been charged with first and second-degree murder.
They're being held at the Howard County Detention Center without bail.
Police continue to search for 16-year-old Jemik Parker, the alleged shooter, and have increased the reward to up to $10,000 for information on his location.

Parker has been charged as an adult with first-and second-degree murder.
Maryland state law typically does not allow a juvenile suspect's identification to be released, even when charged as an adult, but an exception exists "for the sole purposes of facilitating apprehension of a child and ensuring public safety” when a criminal arrest warrant is issued.
Anyone with information should contact police at 410-313-STOP.

Search continues for teen suspect connected to Columbia fatal shooting