The Sydney Morning Herald | Nurse Garry Davis guilty of murdering dementia pair with insulin in aged-care home The Sydney Morning Herald But for two days in October 2013, aged-care nurse Garry Steven Davis began injecting elderly SummitCare Wallsend residents with lethal doses of insulin. Convicted: Garry Steven Davis. Photo: Supplied. Then, the man who refers to himself as "Prince ... NSW aged home carer guilty of murders Nursing home worker Gary Steven Davis found guilty of murdering two residents Killer nurse murdered two via lethal injection |