Williams was arrested and charged with DWI on Thursday and will have a hearing later in the morning, KATV.com in Little Rock reports.
The Bills can't be happy with their running back corps right about now. LeSean McCoy, while cleared, was investigated for an offseason brawl that saw some off-duty cops get injured; Karlos Williams showed up to camp looking like a midnight stop at Dunkin' Donuts was part of his offseason routine; and now Williams, a rookie with high hopes to have a key role, is suspected of drunk driving.