Adam Pitman, 24, of Keokuk has been found guilty of one count of 1st Degree Murder.
He was accused of choking his mother, Rosa Pitman, 46, to death in her home at 1602 Concert Street in Keokuk in the early morning hours of August 30, 2011.
An autopsy revealed Rosa Pitman died of asphyxiation due to a combination of strangulation and suffocation.
1st Degree Murder carries a maximum sentence of life in prison without the possibility of parole.