Dan Campbell opens up about Lions' 'unfortunate' decision to cut Terrion Arnold after arrest originally appeared on The Sporting News. AdvertisementAdvertisement AdvertisementHowever, if there was one lingering topic from the Lions' summer, it was the release of cornerback Terrion Arnold. Why did Lions cut Terrion Arnold? Upon his Lions release, Arnold cleared waivers and became an unrestricted free agent. Terrion Arnold chargesIn June, Arnold was arrested and charged with felony kidnapping and robbery, with the possibility of being sentenced to life in prison.