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Training. it would probably be effective. if. >> reporter: also, it's important to note that stun guns aren't legal everywhere. but as this promotional video claims, many would-be victims now have a new high-tech tool to defend themselves. dan simon, cnn, san francisco. >> is that supposed to be fun? >> i don't know. i don't think it's supposed to be funny. >> i'm a notorious butt dialer. i call people with my hip all the time. if i'm just walking down the street all of a sudden, i just toss over, you know what happens. >> it would be really funny video. a courtroom brawl. this is something ...

Drugs and alcohol. hey, good morning, everyone, i'm jessica yellin. >> i'm victor blackwell. 7:00 here on the east coast. this is "new day saturday." well, first came the floods and the water. that was enough. but now an entire colorado town's drinking water is contaminated with e. coli. it could be months before the water in lyons is fit to drink. cnn's dan simon is following this for us out in boulder, colorado. dan, tell us what's happened in lyons. are people still there? and tell us kind of how this all happened? >> reporter: yeah, good morning, victor, as if these folks haven't had e...

Detected in the water supply in lyons, forcing the water to be shut off. while most of the strains of the bacteria are harmless, e. coli can cause diarrhea, pneumonia and other illnesses. authorities are warning residents not to return to their homes until the water supply has been cleared and that could take months. >> wow, talking about water, a lot of people dealing with it because there's rain for a lot of communities this weekend. >> it is that time of year. >> let's bring in cnn's alexandra steele in the cnn weather center. where are we going to see the rain? >> everywhere. good morning,...