He caregivers should have noticed on their own. They should have prevented it. That is what they were there for. That is what they are paid for. Occasionally we hear stories in the papers or on television about patients who are raped or physically abused.
Nursing homes have a duty to use some caution in who they hire.
Hiring someone with a violent criminal background is potentially explosive in a situation like a nursing home. The people living at the home are not in a position to resist a violent criminal. These kinds of abuses can be stopped. Each time a nursing home gets hit with a huge judgement it sends a shockwave through the nursing home industry. It sends a message that next time it could be them.