NOAA officials are looking for a suspect seen using a black 8-inch knife to remove the deceased sea lion's head.

Someone cut off the head of a sea lion in Northern California and rode off with it in a bag. Authorities are now offering $20,000 for information that helps find the perpetrator.

Federal investigators with the National Oceanic and Atmospheric Administration are offering a reward of up to $20,000 for information leading to the arrest and prosecution of a person seen decapitating a sea lion on Christmas Day last year.