( CNN ) A Los Angeles police officer wanted on murder charges `` should be considered armed and dangerous , '' according to authorities . Police in Pomona , California -- about 30 miles east of L.A -- issued an arrest warrant Monday for Henry Solis , an LAPD rookie , in the shooting death of a local man over the weekend . According to witnesses , shots were fired in the predawn hours Saturday after a struggle between a shooter and a victim before a compact car was seen rushing off . The victim -- identified as 23-year-old Salome Rodriguez Jr. -- later died at a Los Angeles hospital . Investigators looking for clues discovered an abandoned car about three blocks away from the scene that belonged to Solis . Authorities soon began looking for the 27-year-old cop to question him , but so far , he has not turned up . `` The suspect knows he is wanted , and that police are actively searching for him. , '' Pomona police said in a statement . The LAPD is helping them look for him . Solis , who is still in his probationary phase , was off duty when the killing happened and has not reported back since . Police have not said how Solis may have been involved in the killing , CNN affiliate KTLA reported . Residents have built a memorial to Rodriguez , a trucker , at the street corner where he collapsed . Sunday afternoon , they held a vigil and played his favorite songs . They said he put God and family first . `` He was just sweet , '' Sandra Soto told KTLA . `` He was my best friend . '' CNN 's Joe Sutton contributed to this report .
Arrest warrant issued for LAPD officer on murder charges . The Los Angeles Police Department said it has arrested a former police sergeant and an ex-detective in connection with the killing of a homeless man who was shot to death by two officers last month.