Man’s Body Found Encased In Concrete In Crawl Space At His Home, Daughter Arrested. William Mussack’s body was found encased in concrete in a crawlspace in his home. His daughter, 45-year-old Dayna Jennings, was taken into custody that same day. She’s since been charged with first-degree murder after deliberation and tampering with a deceased human’s body, according to a news release from the 17th Judicial Attorney’s Office. Source: 9news Imperial Hip Hop.