Sheriff’s deputies arrested two caregivers of a disabled Jefferson County woman Wednesday on suspicion of crimes related to her death, officials said Thursday. When first responders found 58-year-old Sheryl Seitz, she was lying on an air mattress in an Arvada garage, covered in filth and maggots, according to a Thursday news release from the Jefferson County Sheriff’s Office. Jefferson County sheriff’s deputies arrested Seitz’s son and his girlfriend Wednesday on suspicion of crimes against an at-risk person resulting in death as well as crimes against an at-risk person resulting in serious injury.