because from the time it takes the balloon to swallow into your stomach is 45 minutes. you use that window to get home and throwup, so you don't have to go through all that. if it was too big to swallow, then we would secure it through the rectum. if it was going to be done that way, we couldn't wait to the end of the visit. we would have to do it at the end of the visit. >> surveillance footage from the visiting room at kern valley state prison showed how such smuggling techniques work. >> this is actual footage from our visiting area here. we have a suspect attempting to introduce narcotics into the institution. that is the suspect sitting right there. as you can see, he's looking around. there's another inmate. the inmate directly in front of him, is attempting to block the cameras. as you can see, he's halfway off the chair. that's what kind of piqued the curiosity of my officers, the way the individual is sitting.