New Lead in Hunt for El Chapo
FEYERICK: Authorities are hoping that a tweet will lead them to Mexican drug lord Joaquin "El Chapo" Guzman. It appears that his son may have revealed his dad's location on social media. El Chapo, as you remember, made a dramatic escape from a Mexican prison through an underground tunnel back in July. He has not been seen since. Nick Valencia is tracking this story for us - Nick.</s>NICK VALENCIA, CNN CORRESPONDENT: A $5 million reward and a small army of investigators so far has not been enough to catch the world's most notorious drug trafficker. But a post on the social media account of his son may be the first clue to the whereabouts of El Chapo. Is this the newest photo of one of the world's most wanted fugitives? Joaquin "El Chapo" Guzman's son would like the world to think so. This week, posted on a twitter page believed to belong to the son of the drug cartel kingpin, this caption</s>FEYERICK: And coming up, police officers across America on edge after a disturbing rash of police murders.