ONAWA, Iowa (AP) — An Onawa mother has been sentenced to 50 years in prison for the drowning death of her young son. Ashley Cameron received the sentence Friday in Monona County District Court. The 25-year-old was convicted in May of involuntary manslaughter and child endangerment resulting in death for the drowning of 15-month-old Markis Dahms.

Prosecutors say Cameron drowned her son after she held his head under a running faucet. Cameron told investigators she was cleaning him after the child had vomited in the bathtub. She says she repeated that process as he vomited several more times.

Cameron testified that she’d left Markis in the tub to get some items and found him face down in the water. Her attorney suggested that the boy may have had a seizure.