LITTLE FALLS, Minn. - It's been nearly a month since a hunter was found shot to death in a township near Little Falls, and authorities have yet to identify the person who pulled the trigger.

Morrison County Sheriff Shawn Larsen hopes to change that, by announcing Thursday that the reward for information leading to the identification and conviction of the person who shot and killed Terrance Brisk has been increased to $20,000. The increase follows significant donations to the reward fund by two anonymous donors.

Brisk's body was discovered November 7 on wooded property near the intersection of Hawthorne Road and Jewel Road in Belle Prairie Township, east of Little Falls. Investigators say they're not sure if the shooting was intentional or an accident.

Sheriff's investigators and agents from the Minnesota Bureau of Criminal Apprehension (BCA ) continue to actively investigate this case, following up on leads and interviewing people.

Anyone with information on the fatal shooting of Terrance Brisk is asked to contact the Morrison County Sheriff’s Office at 320-632-9233.