Sadly, it was his mother in the trunk...

"A teenager from Texas has been charged with murder after troopers with the Nebraska State Patrol discovered a dead body in the trunk of the car he was driving last week.
Tyler Roenz, 17, was also charged with tampering with evidence "in the death and disappearance of his mother, 49 year-old Michelle Roenz," tweeted Sheriff Ed Gonzalez of the Harris County Sheriff's Office in Texas on Friday."

https://www.msn.com/en-us/news..../crime/police-charge