Ayoola A. Ajayi formally charged in death of prostitute Mackenzie Lueck
Police later found the charred phone in the backyard of Ajayi's home in Salt Lake City, along with a bone, muscle tissue and part of Lueck's scalp, Gill said.
A neighbor reported a fire and a "horrible smell" coming from the yard on the day Lueck disappeared, Gill said.
Her body was later discovered in a shallow grave in Logan Canyon, 85 miles (138 kilometers) from Salt Lake City. The site is near Utah State University, where Ajayi had attended classes. [link to www.foxla.com]