going on, he was like you don't need to know about it. he said it's better if you don't know. >> link said that ackerman ordered him to buy gasoline and bring it back to the apartment. when he returned, things were worse. >> he had stab wounds in his neck and his chest and then later on after that i witnessed them stabbing him and they had taken off his clothes. and at that point kind of everything hit me what they were doing. >> link says he assumed the gasoline would be used to burn brewer's clothes, but instead he claims ackerman and their two other male roommates stuffed brewer inside a duffel bag and stuffed him in a dumpster. >> i thought he was dead because he wasn't doing nothing but the duffel bag was moving in and out and kasey was starting to pour the gasoline on him. and i kind of just -- i couldn't -- i was just kind of stuck at that moment. i didn't know what to do. i was kind of just taken aback by the image. >> within seconds the dumpster