It was The Dead Past [1] The idea of it was that it was known that the technology existed, but the government went to great lengths to imply that it could only

It was The Dead Past [1] The idea of it was that it was known that the technology existed, but the government went to great lengths to imply that it could only see into the far distant past. The reality was it could only see 20 years back or so, and the government was covering it up because of the 1000 milllisecond issue. [1] https://en.wikipedia.org/wiki/The_Dead_Past https://en.wikipedia.org/wiki/The_Dead_Past