often suffers from what is called the csi effect, the entertainment industry leads people to believe these cases get solved very quickly. some of this takes years sometimes as you look at devices if a device goes off in itself but it didn t go off and detonated and rendered safe by officials and you could lose a lot of evidence, such as fingerprints and hair fibers an the like. an they re trying to rely on the the surveillance video, if you know the person, call the fbi. josh, thanks for your report egg. appreciate it. two teenage phenomes taking the tennis by storm. they both play tonight in the u.s. open finals. we ll speak with the great ven us williams next. before. never woken us crafted with clinically studied plant-based ingredients that work naturally with your body. for restorative sleep like never before.