and profiled by the tsa? there s an app for that. how people can report if they think they re being unfairly singled out. first a bitter sweet milestone in the skies over lower manhattan. one world trade center is become to become the tallest building in the big apple. that s supposed to happen a little later on today. that s if the wind cooperates. workers are scheduled to install a team that will lift that tower to 1,271 feet. the math takes you 21 feet higher than the city s tallest building right now, the empire state building. when construction is completed in 2013 or early 2014, one world trade will stand at 1,776 yes, say it quickly, it s 1776. the tallest structure in the western hemisphere. there s a glitch. you have to add that spire on the top to take it to that level. poppy harlow is live in lower manhattan. i don t know it s coincidental that this milestone is being achieved as we approach the one-year anniversary of bin laden s death. the connection there is
nose. his brother told cnn zimmerman was beaten nearly to death. his last thing he remembers doing was moving his head from the concrete to the grass so if he was banged one more time he wouldn t be, you know, wearing diapers for the rest of his life and being spoon fed. is that what we see here? we asked dr. friedman to examine the tape with us. if he had a significant abrasion, i think we d see that on this film. i don t see anything. reporter: on zimmerman s shirt and jacket, no visible evidence of blood. and walking through the halls of the police station, he is steady. as for evidence of a broken nose? generally when the nose is broken, everything swells up. when everything swells up, you lose those sharp edges. reporter: and a tale of another tape. that 911 call with those chilling screams in the background. do you think he s yelling help? yes. reporter: whose voice was this? audio expert tom owens analyzed that tape and insists the voice was not zimmerman s, as