Paul Butterfield, the father of slain Michigan State Police Trooper Paul K. Butterfield II, stands during a break in the murder trial of Eric Knysz, seated foreground, Tuesday, Feb. 25, 2014, in Ludington, Mich. He is wearing a mask to protect himself as he fights leukemia. Knysz is charged in the September 2013 shooting death of Michigan State Police Trooper Paul Butterfield II during a traffic stop in rural Mason County. (AP Photo/The Muskegon Chronicle, Ken Stevens) ALL LOCAL TV OUT; LOCAL TV INTERNET OUT.
Featured Photo Galleries
