out. >> who shot that stun gun! >> the brother-in-law mistakenly believes the groom has been tased and goes after the cops. then he's marched down the aisle. >> he jumped up off of the ground and attempted to charge that officer who was standing directly behind me. i had to grab him. >> it's total chaos, and then, the groom is back on his feet. but not for long. >> you can see him get up again. so it's like, night of the living dead. he's back up, in the crowd. >> i'm trying to talk to him, trying to calm him down, he swung a punch at me and i deployed a taser a second time. [ screaming ] >> and here comes the bride. >> his new wife came up, screaming. it sounded like a gunshot, so she thought i shot him. [ screaming ] >> police continue to fend off the bridal party. >> they just started coming out of the woodworks over here from the house. is when officer boudreau started