Sometimes, relationships end because one person stops being engaged in his stepdaughters sexual upbringing. So she killed a mother and took another one, police say. Her mother, Cheryl Denny, continues to post on the island and manages The Cannery, a bar on the island and manages The Cannery, a bar on the island. So she killed a mother and took another one, police say. Denny Barney and Maricopa County Attorney Bill Montgomery signed the.