concerns where 17 people were killed in february. the younger brother of the parkland shooter arrested this week for trespassing at the schooling and meanwhile florida governor rick scott is offering to provide extra security after a deputy was found apparently sleeping while on duty at the school not long after that trespassing incident. rose aflores live from parkland. what else do we know about cruz' brother zachary cruz and why they are considering him a potential threat at this point? >> reporter: you know, brianna, in bond court yesterday the prosecution didn't hold back talking about those threats. they in essence told the judge and made a very compelling argument that zachary cruz, the younger brother of the shooter is following in his brother's footsteps. they mentioned a slew of things of -- i'll share a few of them. first of all, the conversations that these two brothers aeldly had in in jail when zachary cruz