The discovery was made just before 10 a.m. on June 11 near the corner of Kensington and Allegheny avenues.
Police said they found a woman's body stuffed inside a large black suitcase. Her identity and cause of death have not been revealed.
On Thursday night, police confirmed to Action News that Aaron Mosher of Brown Mills, New Jersey was arrested in connection with the woman's death.
Mosher was arrested on July 20 on charges of criminal conspiracy, tampering with evidence, abuse of corpse and obstruction of justice.