Three Billboards Outside Ebbing, Missouri

(CNN)A woman is found murdered by the side of a road. Her grieving parent, upset that the killing remains unsolved, rents billboards asking police why no one's been arrested in the case.

Source : https://www.cnn.com/2018/04/18/us/texas-three-billboards-reward-trnd/index.html

The reward has been doubled in the cold case that inspired 'Three Billboards Outside Ebbing, Missouri'
Reward doubled in case that inspired 'Three Billboards'
Reward increased in Vidor cold-case that inspired "Three Billboards" movie
Texas reopens case seen as inspiring 'Three Billboards' film
‘Three Billboards Outside Ebbing, Missouri’ Trailer: Martin McDonagh is Back and He’s as NSFW as Ever
Three Billboards Outside Ebbing, Missouri movie review: Frances McDormand delivers an Oscar-worthy performance
Review: 'Three Billboards Outside Ebbing...'
Three Billboards Outside Ebbing, Missouri the Big Winner at BAFTAs
Three Billboards Outside Ebbing, Missouri: Why Frances McDormand's anti-heroine act is Oscar-worthy
Reward doubled in Texas cold case that inspired 'Three Billboards Outside Ebbing, Missouri'