A Kentucky man is convicted of killing his girlfriend's six-year-old son.

A jury in Elizabethtown found 23-year-old Antwan Hayes guilty of second-degree manslaughter for killing Mar'riel Lucas about a year ago.

Detectives says Hayes was taking care of the six-year-old, and beat the child.  He died at Kosair Children's Hospital.

Jurors also convicted the boy's mother Danielle Lucas of reckless homicide.  Hayes and Lucas have been on trial for three weeks.