Jordan Edwards' family praised the conviction but is displeased with the light sentence.
The ex-officer used excessive force, and his department failed to provide proper training and oversight, the lawsuit says.
Hundreds of people gathered at Mesquite Friendship Baptist Church for Jordan Edwards’ funeral on Saturday.
Fired Texas cop Roy Oliver --- who fatally shot 15-year-old Jordan Edwards in Balch Springs last weekend --- turned himself into police Friday after an arrest warrant for murder was issued against him.
