. >>> instead of writing a keck or maybe using cash.ever asked to you venmo me or has your bank told you about zel. >> they're mobile apps that let you accept and receive money. personal financial correspondent sharon epperson is here to plain it. before we talk about the apps or things can you do. how safe is it? how secure. >> it's pretty safe. they have the you a thentation stuff where they have the incontraception software on the app so it's safe. the thing you have to remember there is no fraud protection. >> it's not using a credit card. >> it's not like using a credit card except that when you use a credit card as the basis for the payment you will have some of the protections of the credit card perhaps. >> okay. >> but one thing you have to keep in mind is when you do this, we're talking about what are called peer to peer payment achs, that's something should be a person you know and trust. so that's why these companies are saying we're not saying -- not offering fraud protection. but nonyou are supposed to knows this is for fri

. >> kpix5's maria medina is in the south bay with the app the father created that will keck teachersh emergency first responders instantly. -- connect teachers with emergency first responders instantly. >> it's heartbreaking. it's happening more and more. >> reporter: after a shooter took the lives of more than two dozen kids and adults at sandy hook in 2012, mike jacobs decided more needed to be done to keep schools safe. >> right now when law enforcement arrives at a school shooting type scene, they're almost walking in blind. >> reporter: and so mike, a father himself, created an app called safeguard which launches on monday. >> you can go to a map view. >> reporter: the app allows teachers to instantly tell first responders and 911 dispatchers about an emergency in a specific classroom. >> shows the room number, the ground floor, the site. >> reporter: teachers can give a status of their class, stable, unstable, assistance needed and medical emergency through their phone or even smart watch. once the alert is sent dispatchers can then chat with a teacher through the app. >> what

kecking off the midterm primary season tomorrow and there are signs that democrats could be seeing a rise in the lone star state. democrats leading the way in early voter turn out, up 105% from the last midterm elections in 2014. republicans behind by nearly 45%, up is a%. karl rove is former white house deputy chief of staff with president george w. bush and a fox news contributor who is always willing and able to make sense of the numbers for us. what do you make of this? are democrats on the rise in texas? >> well, they certainly have a lot of enthusiasm going into the primary. let's take a quick look. i'm going to look at the 10 biggest counties. we have a lot of counties in texas. 254. but the 10 most populace counties in 2014, 253,000 republican early voters and 184,000 democrats. this time around, it's 370,000 democrats, just over 100% increase, and 283,000 republican early voters, about 15%. if you get a look inside of the numbers however, they're concentrated in some counties. harris county, texas, that's houston, has three very competitive congressional races. for the democ

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