. >>> today, orange county mayor teresa jacobs -- john mikeca, the chair of the national oversight committee had a hearing on the issue, he said heroin is the leading cause of accidental deaths, in the nation, and mayor jacobs talked about the task force created in orange county to stop the drug. >> we recommend bond increases media and social media campaigns, warning about the deadly nature of heroin. >> in a t six months, the heroin task force has been active, 370 arrests. >>> no new cases of zika virus at least in florida. but researchers at university of central florida are working on a faster way to identify infected mosquitoes. their new test uses a red wick with an a dor that attracts mosquitoes to a cage like this. they drink from a wick and they turn red if their safe. but because of nano particles, an infected mosquito turns blue. >> the particles recognize that, change from a red color to a blue color. >> right now, it takes days for researcherers to test mosquitoes to see if they're infected with disease like zika virus, or west nile virus. but this test, identifies insects right

something congressman john mikeca sharing the committee demanded as well. >> treatment is at the end of the process, they've already been addicted. we have got to stop this stuff at our borders, these are murders can we can't stop them, they're bringing deadly substances in. >> now, he didn't testify before the committee, but west fwaet's resort ceo david seeing l was with mayor jacobs. bob. >>> thanks, vanessa. person behind the brussels attacks, u.s. presidential hopefuls are starting to weigh in. >> the woman accused of beating this elderly man for his pain pills, could walk out of jail tonight. all new for 5:00, we're asking why a judge just made it easier for her to post bond. >>> at 4:00, we told you what the state is doing to figure out what's causing this major fish kill. new for 5:00, we now know how some local groups are trying to help. >>> i'm tracking the temperatures you're going to notice when you step out the >>> many think the state isn't doing enough. why patients who say they need the drug may not be any closer to getting it. yns news. >>> right now, many thousands