Officials say 23-year-old Laurie Wint of Camden shot and killed a man in Euta Park on June 8.
Police in Warminster Township, Pa., believe Wint stabbed 33-year-old Tyrone Newman multiple times in front of an apartment building on July 24. Newman died at a hospital.
In addition to Wint, Pennsylvania authorities also are seeking 24-year-old John Briggs of Camden on homicide charges in that slaying.
Police say Wint may have a fresh knife wound on the right side of his face. He also has a tattoo of "Lance" on his right forearm.
The Citizens Crime Commission is offering a $2,000 reward for information leading to the arrest and conviction of Wint and Briggs.