Prosecutors have said the boy was left unattended while the couple fought.
Police say Timothy Shannon admitted to holding his wife of six years under the water until he realized she was dead.
Authorities have brought murder charges against the parents of a 1-year-old boy who drowned in their bathtub in Flint
A June trial has been set for a former city council member in a small western Michigan community charged in the bathtub drowning of his wife.
Police in Flint are investigating the death of a 1-year-old boy whose grandmother says he accidentally drowned in a bathtub.
Officials are calling the drowning an accident, but are looking into allegations that the child has suffered abuse in the past by the mother.