Justin Casquejo admitted Wednesday he broke a New York City misdemeanor law against scaling tall buildings without permission.
Marko Markovich, James Brady, Andrew Rossig and Kyle Hartwell were arraigned in Manhattan Supreme Court on Tuesday.
The Port Authority of New York and New Jersey told 1010 WINS that a man, who had an interview for a construction job on the site, managed to walk past a security guard who had opened the gate to let a truck into the site.
A New Jersey teenager who climbed to the top of 1 World Trade Center will be assessed in a program for youthful offenders.
Schumer wants the Department of Homeland Security to test surveillance equipment at the site, survey the perimeter for possible points of illegal entry and check how security guards are performing.
David Velazquez had been security director for The Durst Organization, which took over security of the tower in January.
Two CNN producers were arrested Tuesday afternoon for allegedly trying to sneak into the site around the 1 World Trade Center building, police said.
Andrew Rossig, 33, James Brady, 32, Kyle Hartwell, 29, and Marco Markovich, 27, were arraigned on charges of burglary, reckless endangerment and misdemeanor jumping from a structure, police said.
Casquejo allegedly managed to not just get past the security and construction all around the new World Trade Center building. He got into an elevator and then climbed the stairs nearly another 20 flights to the spire.
A 16-year-old boy bypassed security in the middle of the night and climbed a ladder to the spire of 1 World Trade Center where he apparently took pictures, authorities said Thursday.