Killer Joe is still one of McConaughey's best performances, plays Joe Cooper, a cold, calculating detective who moonlights as a contract killer. The role showed

Killer Joe is still one of McConaughey's best performances, plays Joe Cooper, a cold, calculating detective who moonlights as a contract killer. The role showed a much darker and more disturbing side of him, [▻](https://video.twimg.com/amplify_video/2095343386362552321/vid/avc1/1898x1080/amDVyWQtr…