McKinney Police arrested a man after they found a woman’s body at his home in Collin County. Detectives received a tip that a body was inside a home in McKinney and obtained a search warrant, which they served on 42-year-old Chad Christopher Stevens. While executing the search warrant, detectives found the body of 35-year-old Heather Louise Schwab. They arrested Stevens for tampering with evidence. The investigation continues.