"You know most people just ignore you, and it seems for good reason... So why bother mentioning you have a strat if you don't explain it? Or do you just randomly troll for fun on Saturday nights "
The reason I didn't explain the strat is because I didn't know it.

The strat I knew from CI PA I found like 6 months ago...there's no chance in hell I would remember it...
...anyways, I did a little "brainstorming" (for like, 2 seconds), and I think I remember it...
Okay, it's the same as the one Bosshardt used for the WR. Basically, when you get back to the start, open firing range, head up. Use the Agent open-door trick (but you will be on the opposite side than you are from on agent), and then those 2 hostages will die (so the firing range sluts gotta live), save these 2 and get devastator. Do Objective 4 or whatever (destroy files), head down..you still have to go in Holo room, but you skipped the small portion of after the deve, go around and save those 2...I think it's around 5 seconds, just guessing.
If Bryan got 1:52 with the same basic strat, and you cut off that little distance of around 5 seconds, then surely 1:47 or so is possible.