jeanne marie laskas knows the stakes. she's reported on their hidden world for "gq." >> this is really extreme cop work, heroic cop work that the public does not know about. >> you have 30 minutes. >> our clock rolls, and after more than three hours, they're ready. and we have never seen an entrance quite like this, walking in to sit down with us. gentlemen, good to see you. welcome. >> it's nice to meet you. >> the agents offer up first names only. >> jose? >> yes. >> and? >> i'm lenny. >> lenny? your real name? >> real name. ken. >> ken. real name? >> yes. >> your real hair? >> no. >> so just a show of hands, how many of you are in a disguise today? >> all but one in disguise. lenny, the only one no longer working undercover. their appearances so transformed, so over the top, even these hardened agents are humored. i mean, when you look in the mirror with that getup, does it shock even you? >> yes. >> but those are the stakes? >> right. >> did any of you send a photograph to your wife? >> i sent a photograph, yes. >> on