thing. >> got a call from r & r, this was eyeglasses, it's not an eye glass box. when the nurse opened it, she noticed a black substance that could possibly be heroin. we'll nik test, field test to see fit comes back positive. we have them for different types, heroin, methamphetamines, marijuana. if it's positive it's going to turn bright yellow. it's not turning any colors. it's negative. it's not heroin. >> number one is information gathering. we read mail. we talk to the inmates. we talk to staff. listen to phone calls. they talk on the telephones and in the mail. they'll schedule a date which