in the air is also taking place on the ground, as we hear from monika diaz from our dallas station, wfaa. >> reporter: it's a tough stance in the fight against the west nile virus. >> this is breeding mosquitos. >> reporter: health and environmental services moved in to clean up a hidden danger in backyards, abandoned pools. >> right now, we're trying to mitigate the spread of west nile. and so, we can't just let this sit like this. >> reporter: dirty, neglected and infested with green algae, a haven for mosquitos. so far this year, the city of carrollton has received more than 200 pool violation. for the city, a pool like this is threatening lives. it tries to respond to every complaint within 48 hours. >> very serious with these pools. it does not take very long for it to look like this. >> reporter: the city aims to take action within two weeks whether the home is occupied or not. treating these pools or ponds is the priority. shocking them with concentrated amounts of chlorine and mosquito-killing chemicals. in dallas, we found at least three green pools in zip codes where people hav

. >> that is rebecca lopez reporting from wfaa. cnn did receive a statement from the suspect.can justice system is that it assumes a person is innocent until they are proven guilty. dallas police say it will be several days before they release the tapes. we're going to follow up on this one. >>> you never know what you'll find in a dusty beat up box in an attic. listen to what stephen toll found. this is in tennessee. this is an interview he found with the reverend dr. martin luther king. >> doctor what effect are the sit-ins having on the southern negro and his struggle for equality? >> a tremendous affect. i'm convinced in the history books in future years historians will have to record this as one of the greatest epics of our heritage. >> his father was planning to write a book when he met dr. king in 1960, three years before the i have a dream speech. >>> the postal service, man oh, man, as if it couldn't get any worse for them. they have to figure out,000 get 700 million stamps featuring the simpsons because 1 billion stamps were printed in honor of the season but only a