Twenty-four years after a Pleasantville firefighter was killed, his fellow volunteers are vowing to honor him until there is justice.

In 1996, Thomas Dorr's body was found, beaten and stabbed, about a mile away from Graham Hills Park.

Dorr's fellow volunteers have memorialized him every year at the park since. A tree was planted in Dorr's memory a few years after his death.

Dorr's wife, Jane Sawyer, his stepson Jeffrey and an accomplice named Mike Sweet have been suspects since his death, but investigators have no evidence linking them to his death.

Westchester County Police ask anyone with any information to contact them through their email tip line, tips@wccops.com.