A big reward is being offered Monday to find the thieves who smashed their way into a Dearborn Heights business, stealing several guns inside.

Two suspected gang members who broke into an Oakland County gun store were arrested after police realized they had posed with the stolen guns in a Facebook video, authorities said.

ALPENA, Mich. – The Bureau of Alcohol, Tobacco, Firearms and Explosives and the National Shooting Sports Foundation are offering a $5,000 reward for information that leads to the arrest and conviction of the individuals responsible for a northern Michigan gun store burglary. According to authorities, the burglary happened at about 4:15 a.m., Nov. 21 at Full Bore Firearms, located on Crittenden Court in Alpena. Police said two unknown people threw a brick through the front glass window of the building and stole 49 firearms. The burglary is being investigated by officers with the ATF, Michigan State Police and Alpena County Sheriff’s Office. Anyone with information is asked to contact the ATF at 1-888-ATF-TIPS (888-283-8477), ATFTips@atf.gov or through the official ATF website here.