Mother says son killed friend after worshiping the devil

HOUSTON -- A mother said her son killed his 16-year-old friend in Houston after worshiping the devil.

Ryan Robert had been missing since Friday evening. His body was found Tuesday morning by volunteers in a wooded area.

"He texted me when he was on his way home and said, 'mom I'm running late, I have a substitute bus driver," his mother Christina Robert said.

Christina Robert said she knows who killed her son and that person was a friend of his.

"We fed him, he slept here, he basically lived here most of the time," Christina Robert said.

The mother of Ryan's friend told ABC7 sister-station KTRK that her son killed Ryan in a "satanic" act.

"I didn't raise him like that, as a child he was born and raised in the church home. I noticed some change in him," the mother, who didn't want her identity revealed, said.

She said her son started drawing devil pictures, killed the family pets and started worshiping Satan.

"He doesn't believe in God, he believes in the devil," she added.

The mother said she got her son help and on medications, but said he overdosed and was rushed to the hospital on Monday.

That's when the alleged killer's mother said she signed him into a psychiatric ward. She also stated detectives came by her home on Tuesday, but she wasn't there.

The mother said she expected her son to be arrested for Ryan's murder at any time.

"He did the crime, he needs to do the time," she said.

When asked if she felt convinced that her son had killed Ryan, she said, "yes," and that her heart goes out to Christina Robert.

Police have not officially named suspects in the case.