The man accused of assaulting two infants in June at the La Quinta Inn in Redding has died, according to the Shasta County District Attorney's Office.
The D.A.'s office said Stephen Daniel Rehmeier died on August 6.
Rehmeier was arrested on suspicion of cruelty to a child.
He told investigators, he was babysitting the baby girl and her twin brother while their mother and her boyfriend used the pool at the hotel.
He admitted to slapping the baby on her bottom over her diaper too hard, trying to force the baby to drink from her bottle to the point that she was spitting up formula, squeezing and shaking her hard while holding her under her armpits, and then accidentally dropping her on her head when he went to place her back on the bed.
The report said he then called the front desk to get help when mother came back.
At first, Rehmeier told the baby's mother that she had choked on her bottle.
After the doctors told her that story didn't add up to the extent of her injuries, she questioned Rehmeier and convinced him to turn himself in.
According to the a police report written by Redding police investigators, Rehmeier turned himself in to police the following morning.
He told investigators he knew what he did was wrong and he feels embarrassed and ashamed.
Rehmeier and the baby's mother know each other because he worked at a group home she used to stay at in Alturas.
The circumstances of Rehmeier's death are not yet known.