A Sioux Falls man accused of multiple counts of rape of an underage relative is being held on a $100,000 cash bond and faces life behind bars.

47-year old Michael Dwayne Johnson was found in bed with the naked relative by another relative and has admitted sexual contact with the victim during an interview by police.

Johnson faces one count of first degree rape, two counts of sexual contact with a child under the age of 16 and one count of aggravated incest.