Law enforcement is trying to determine whether Clements, who was shot and killed in the doorway to his Monument, Colo., home, was the subject of an ordered "hit" by the group -- or one of its members acted alone, The Denver Post said Sunday, citing anonymous sources close to the investigation.
The gang, the 211 Crew, ran together inside Sterling Correctional Complex before state prison officials opted to break them up by transferring some members to Buena Vista Correctional Center.
Police said a bullet casing found at the scene of Clements' killing matches that of casings found following a high speed chase and shoot-out in Texas involving noted 211 Crew member Evan Spencer Ebel, 28. Ebel was killed in the incident Thursday, Texas police said.
Ebel was implicated in the killing of a pizza deliveryman two days prior to his shoot-out with police.
He was released on mandatory parole Jan. 28, Colorado Gov. John Hickenlooper's office said.