From the PlanetXbox360.com feature preview:
"She's somehow eluded them for this long, the odds of locating her are slim to none or so the smoking man seems to think. The others on the conference call seem just as equally discouraged except for one, who speaks that their chance of finding her may actually be feasible in the very near future. No names, disguised voices, the only person on the call are the smoking man. The conspiracy begins here. 10 years ago, we were introduced to the oft-silent terrorist/hero of Deus Ex, JC Denton. What we didn't know at the time, was that Denton's woes had been set in motion 25 years earlier in the year 2027, with an attack on the world-shattering and controversial Sarif Industries, a leader in human augmentation. On this fateful day, Adam Jensen will lose his love and his humanity as he is thrust into global conspiracy."