Authorities in Florida have arrested a 25-year-old Virginia man, alleging he killed his longtime friend and drove around for a week with the body in his trunk. According to the Associated

Press, _the Miami Herald_, and WTVJ, Robert Avery Coltrain, 25, has been charged with second-degree murder for allegedly killing 25-year-old Brian Trotter. In addition, Coltrain is charged

with one count of illegal transport of human remains. The reports, all citing Coltrain's arrest report, indicate that both men were aspiring musicians who had been close friends for

more than a decade. Trotter was reported missing on Oct. 18, according to _the Herald_. His remains were found a week later on Sunday, in the trunk of Coltrain's crashed silver Acura.

decomposition," reports the AP. Prior to the discovery of Trotter's remains, police said Coltrain asked to remove some of his belongings from the car — including a Glock gun case

containing a firearm. According to police, Trotter, a budding rapper known as Kent Won't Stop, died from multiple gunshot wounds. Trotter's relatives said they last saw him on Oct.

17, when he was picked up at his home in Triangle, Virginia, by Coltrain. VICTIMS FATHER SAID SUSPECT WAS 'NERVOUS AND ANTSY' _The Miami Herald_ reports the victim and his alleged

killer played sports together and collaborated on music. Trotter's father, also named Brian Trotter, spoke to the paper and said his son had told him the two friends were headed for

Washington, D.C., where he assumed they would be taking promotional photos for their music. "I heard a knock on the door. It was Rob. He was very reluctant to talk to me. I noticed he

was acting really strange," the grieving father recalls, of the moment Coltrain arrived to pick up his son. "Usually, Rob comes in the house. This time, he was real distant and

nervous and antsy." Trotter was reported missing the next morning when he did not return home. _WANT TO KEEP UP WITH THE LATEST CRIME COVERAGE? SIGN UP FOR_ PEOPLE'_S FREE TRUE

CRIME NEWSLETTER__ FOR BREAKING CRIME NEWS, ONGOING TRIAL COVERAGE AND DETAILS OF INTRIGUING UNSOLVED CASES._ Trotter's father said that Coltrain stopped answering his phone. Coltrain

allegedly refused to speak to homicide detectives, but police said when Coltrain was allowed his one call, he phoned Trotter's sister — and as detectives listened in, he allegedly

apologized and said the death happened in Virginia. Authorities have not spoken about a motive. Coltrain has yet to enter pleas to the charges he faces, and remains in custody without bond.

It was unclear Tuesday if he had an attorney who could comment on the allegations for him.