be sold for almost 30 times their street price. an ounce of heroine that might cost $800 can be broken up and sold here for thousands. we hit the house. the guy was selling dope out of the house. so there was probably dope in that building. to crack down on the gangs narcotic network, corcoran has formed a highly trained intelligence-gathering team called the investigative service unit. our cameras were allowed access to follow this unit, along with a local canine team, while they set out on a surprise contraband bust. searching inmate cells for drugs, weapons and gang paraphernalia. nobody else knows we re coming. the captains don t know, nobody knows we re coming. so this is going to be a complete surprise to staff and everybody. head of the isu, sergeant john montgomery, knows that inmates will destroy or hide the contraband if they find out about the raid. we re going to go up to the building 4 when they release for chow and we ll go up to the building and go inside and
and then it s mailed in. once it s mailed in, the inmate will cut up pieces of the picture and actually sell it. narcotics inside prison can be sold for almost 30 times their street price. an ounce of heroine that might cost $800 can be broken up and sold here for thousands. we hit the house. the guy was selling dope out of the house. so there was probably dope in that building. to crack down on the gangs narcotic network, corcoran has formed a highly trained intelligence-gathering team called the investigative service unit. our cameras were allowed access to follow this unit, along with a local canine team, while they set out on a surprise contraband bust. searching inmate cells for drugs, weapons and gang paraphernalia. nobody else knows we re coming. the captains don t know, nobody knows we re coming. so this is going to be a complete surprise to staff and everybody. head of the isu, sergeant
in the florida courtroom, where casey anthony sits on trial accused of killing her own little girl, caylee. questions like what was searched on the anthony home computer, and why couldn t an initial canine team pick up on caylee s body? let s bring in our final defense attorney, former prosecutor, mark, this information about some of the terms that apparently had been searched on her computer, terms like chloroform and neck breaking, that doesn t sit too well with a jury, does it? no. some of the most compelling evidence will be found on her computer. they need to be able to tie her to this first degree murder. there s no question she was involved somehow, but specifically, you re going to find the chloroform searches and neck breaking, that will help advance the government s burden of proof. jon: fred, in some ways
the dog sense of hearing helps with that operation. would the canine team be on the lead? are they after the lead goes in? where do they fit in in terms of sequence when involved in these operations? sometimes it really depends on the mission. sometimes they will be at the front so as they go through the door the first person that enters the building would be the dog. sometimes because of the tactics within that mission, they might actually wait and let personnel enter the building, secure the inside of the building and enter after them. how important are they to these covert operations? they are really a key support tool. what you can do with military working dogs is for example as they enter a building let s say your enemy puts explosives on the other side of doorways or stairs as you enter the building. it allows the team to enter safely because the dog has swept that door before they enter. master sergeant, thank you so much. very interesting detail on the
reporter: destruction like you ve never seen. the elf we all love beheaded. nutcracker laying now in the snow and the devastation doesn t stop there. the nativity scene was vandalized, too. normally this time of year we are wishing you a merry christmas, feliz navidad, something festive like that, but as you can see, bandits came here completely destroying the figurines and even toppling over baby jesus. really almost sacreligious. reporter: michigan state police brought out the canine team hoping to sniff the vandals out. the damage done, around $40,000. we walked the grounds and discovered even more destruction. we can do some repair on it. it s going to take a long, lock time. reporter: and some of the figures you see here are irreplaceable. some of these figures have been out here for 20 years. reporter: these aren t the tracks from santa.