Sgt. Philip Hensley says the shooting occurred about 4 p.m. Friday.
State police were expecting the added traffic this weekend.
Winkler is set to stand trial in Jan. 2016.
The group of 178 World War II and Korean War veterans will fly for free Saturday.
Anyone with information about these incidents is asked to call police.
Police are investigating as to why the driver drove onto the sidewalk.
The victim was only able to provide a vague description of the suspect.
Police have no leads on the identity of the culprits.