Silent Witness is offering up to a $10,000 reward for information relating to a shooting that left a 16-year-old boy dead in January.
Phoenix police say Steven Baptisto-Mahle, 16, was shot near 31st Avenue and Rose Lane just before midnight on January 17.
Police say the victim was taken to the hospital where he died.
Detectives are working to determine what led up to the shooting and who may have been involved.
Anyone with information can call the Phoenix Police Department or Silent Witness at 480-WITNESS (480-TESTIGO for Spanish).