so what's really under the prison on alcatraz island. bob mackenzie set out to answer that question in 1997. >> seen from the bay it's a beautiful place imposing and mysterious. but get closer and the grimness of alcatraz asserts itself. the abandoned hopes and seeding anger of thousands of prisoners seems to have seeped into the rock and poisoned the place forever. today the island is a favorite outing for tourists but usually they find it more sobering than amusing. in the 1800 century it was a fortified army barracks. from the turn of the century on it was a federal prison. the meanest prison in the system its inmates the men considered most dangerous and likely to attempt escape. though the island was riddled with caves, tunnels and holes and a thousand places to hide it was considered escape proof. surrounded by treacherous water and currents. large parts of island are still closed to tourists. naomi grift started our tour. >> this was to store am -- ammunition between the battery. >> lovely place for a picnic. >> oh, yes, lovely. >>

zoom you in a little closer right across the bay bridge and out towards treasure island and off to the north around alcatrazing on through. moderate rain at times. the areas in yellow starting to spill across the bay area. san jose starting to see a few sprinkles. look at that offshore, this is the area, the santa cruz mountains, that will be the heaviest rain as it goes through the afternoon. the system winding up, moving down the coast later today. widespread rain at times off and on, changing over to showers as it moves through the afternoon. notice by 11:00 tonight and midnight showers shutting down and moving off into southern california. today's highs will be quite cool. we're looking at numbers today that will be in the 50s for most of the bay area. low 50s for highs today, including san jose 54 degrees. 53 around the peninsula and into the north bay, highs around 50 for your sunday with some rain at times. chris. >> thanks, rob. >>> new this morning, two people are shot to death right outside a boys and girls club overnight in oakland. one of them, just a teenager. police say the shooting happened j

alcatraz. and legend has it ... it's where he plotted the saint valentine's day massacre. it's ten-thousand-square-feet on exclusive palm island. the current asking price is eight-and-a-half million dollars. >> it looks like the set from dirty rotten scoundrels. it really does. >> i didn't see palm trees >> there was a pool. all three things that you need we haven't seen that in a long time. >> we will make the 30's later this week. >> is that supposed to make us feel better? nice try. >> a cold day. when shall the advisory in effect. current temperature is 0. we're just above. we will fall shortly. one degree by 10:00 a.m.. typical high today would be 34 degrees. we won't even come close. no rain or snow today we are dry. a very cold. >> a quick update. a few items, a water main break causing minor delays. west on 130 blocked to stoney island. also looks like we had a stretch on barrington northbound truck 83 shut down over to central. getting initial reports there may be a truck that struck a freight train. this is coming from evergreen park police. they are handling the traffic through the area. not confirmed yet. just a re