Benjamin Lee was sentenced Monday in U.S. District Court in Portland to eight years and four months behind bars.
Terry Roy pleaded guilty to aggravated cruelty to animals and was sentenced to two years of probation. The kittens were shot with a pellet gun and left in a Belleville park.
Tequila Sanford, a nurse, was shot to death outside of her condo on Dec. 27. Her current boyfriend was shot in the head but survived.