Macerata, February 1 - Nigerian national Innocent Oseghale has been detained in relation to the murder of Pamela Mastropietro, an 18-year-old whose dismembered body was found Wednesday in two suitcases dumped in the countryside outside Pollenza near Macerata in Marche, sources said Thursday. Carabinieri forensic police found bloodstained clothes belonging to the victim and other blood traces at the suspect's home, sources said. They also found a receipt from a nearby pharmacy where the victim had bought a syringe, they added. The woman had voluntarily left a drug rehab centre at nearby Corridonia on January 29. Oseghale has a record for drugs offences, police said. He was pinned down by CCTV footage of the area where the suitcases were dumped, and by a foreign national who said he saw him carrying the suitcases there. Mastropietro is believed to have been killed on the morning of January 30, police said.