( CNN ) -- An 88-year-old man has been charged with attempted murder after shooting his wife in the chest at a Nevada hospital , authorities said . William Dresser was being held on $ 225,000 bail and has been put on suicide watch . He allegedly walked into his wife 's hospital room in the rehabilitation ward at Carson Tahoe Regional Medical Center on Sunday and opened fire , according to the Carson City Sheriff 's Office . The shooting occurred Sunday with a recently-purchased small caliber semi-automatic handgun , the sheriff 's office said . The woman 's name , age and the motive of the shooting were not immediately available . Her injuries are considered life-threatening and she has been transferred to Renown Regional Medical Center in Reno . Dresser does not have a criminal past , according to Sheriff Ken Furlong . She was hospitalized because of a previous injury . Authorities did not consider her injury suspicious . Dad denied release to attend funeral of daughter he allegedly killed . A text message sparked fatal movie theater shooting .
William Dresser is charged with attempted murder after shooting his wife . He shot her with a recently-purchased semi-automatic handgun . He is being held on $ 225,000 bail .