Hello. I am so sorry to hear about this. I also have a mentally handicapped sister who lives in a group home in MA and I know that this is NOT easy (and no one knows what you and your family go through -- they simply cannot imagine). Can I ask a few questions?
1. How did the injury occur? Do you know? Has your sister or the agency told you the specifics?
2. Which agency is she officially under the care of? Department of Mental Health? Adult Social Services?
Please see answer below
I apologize again for the delay. I am finding that the chief office for investigating all lower agencies in matters such as this is the attorney general's office in CA. They are the chief law enforcement office in the state. So, if the APS has closed the case and the local law enforcement does not want to give you any answers, you may want to contact the AG's office. Here is a link to their website: http://caag.state.ca.us/
Another resource that was mentioned in the materials that I reviewed is the CA Dept of Developmental Services -- they also investigate concerns of the public regarding state agencies. Their website is http://www.dds.ca.gov . There could be a very real possibility that because your sister is mentally handicapped, the APS had difficulty getting the story from her. Obviously, you can hire a private attorney to make some inquiries on your behalf -- and if you can afford it, that might be the best way to approach this -- because the police, APS and all other agencies involved may take the matter more seriously if an attorney is making inquiries. If you can find proof that this happened due to neglect / negligence of her caregivers, then a civil suit will be the next step that your attorney will take.
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