Cañon City man accused of refusing to wear mask, urinating aboard flight to Denver David Zalubowski/AP FILE - A tug pushes an Alaska Airlines airliner away from a gate on Thursday, 11, 2009, at SeaTac Airport in SeaTac, Wash. (AP Photo/David Zalubowski) and last updated 2021-03-13 08:48:03-05 DENVER â A Cañon City man was arrested and charged with a federal count of interfering with a flight crew after he allegedly refused to wear a mask and urinated in his seat while on a flight from Seattle to Denver on Tuesday. Landon Perry Grier, 24, made his initial appearance in the U.S. District Court of Colorado Thursday on the charge. He was released after the hearing on pre-trial supervision conditions.