Sources told The Philadelphia Inquirer that Levon Warner, a journeyman boxer in the Philadelphia area, was in custody and had implicated two alleged accomplices in the Saturday slaying of Sgt. Stephen Liczbinski.

The suspect who pulled the trigger, Howard Cain, was killed in the robbery. A third suspect identified as Eric Floyd, 33, was at large Monday.

Liczbinski, who would have turned 40 Tuesday, was shot several times with an assault rifle as he followed the suspects from scene of the robbery

The Inquirer said the three suspects had all served time in prison and were allegedly carrying wigs and Muslim-style clothing to use as disguises.