A Pennsylvania crime-fighting organization has offered a $10,000 reward for information about the shooting death of a Maine man on Interstate 81 Jan. 4.

The reward was offered by Pennsylvania Crime Stoppers for information leading to the arrest of whoever shot Tim “Asti” Davison, 28 of Poland.

Davison was driving north on I-81 near the Maryland-Pennsylvania border before dawn on Jan. 4 when he called 911 twice to report that he was being chased and shot at by someone in a dark-colored pickup truck.

A few minutes after the calls, shortly after 2 a.m., the pickup’s driver ran Davison off the road and someone in the truck shot him multiple times, including in the head. The pickup driver then drove away southbound on the interstate toward Maryland and West Virginia.

Police believe the suspect’s vehicle is a blue Ford Ranger XLT pickup.

Pennsylvania Trooper Robert Hicks said Tuesday there was no new information in the case.

Authorities have formed a task force that includes local police, the FBI and state troopers from Pennsylvania, Maryland and West Virginia, which border each other near where the shootings occurred.

Police worried that such a violent and apparently random act could be followed up by more acts of violence, but as of Tuesday, nothing similar had been reported.

Police initially thought that a shooting seven hours earlier, at 6:45 p.m. on Jan. 3, in Monaghan Township, Pa., was related to Davison’s shooting. A motorist reported that the driver of a dark pickup truck had tailgated him, driven alongside and fired several shots into the cab of his pickup. The man was not injured, although one of the slugs lodged in the driver’s headrest.

Police comparing the two incidents concluded they were not related.

Anyone with information is asked to call Pennsylvania Crime Stoppers Toll Free at 1-800-4PA-TIPS.