The CIA’s Venture-Capital Firm, Like Its Sponsor, Operates in the Shadows

This is a pretty good look at the spook shop vehicle.
As a side note, back in the early years of this century, especially immediately after the mass murders of 9/11, it was thought that investing alongside In-Q-Tel was the cool thing to do.
It took a while for the realization to sink in that they weren't necessarily in it for the money return to the VC's.

From the Wall Street Journal:

In-Q-Tel