Your writing's actually pretty good! Though I do think you could be more direct in the way you word things. I also found many of the sentences to be too long and complex so that they seemed to meander away from their main point. Ex:
Anopheles maintained a firm grasp on his keys, walking loud enough for members to hear, but softly enough for them to remain vigilant to his presence and consequently, their behaviour.
Cutting some stuff down and separating into two sentences helps keep things clear, in my opinion. The last bit I removed because it didn't add to the point you're trying to make, and was seemed like an odd way to end the sentence.
Anopheles maintained a firm grasp on his keys. He walked loudly enough for members to hear, but softly enough for them to remain vigilant to his presence.
As to the sentence others brought up, it did feel a little bit oddly placed, but it's an easy fix. I think it was this part:
These days, he found himself locking doors more often, surveying the cameras longer, and questioning his members to a further extent. He’d installed a ridiculous amount of additional cameras. Members swore they were being watched from all angles. Some of them cared, but that didn’t matter to Anopheles. Not anymore.
You can cut out the second sentence and add a bit to the third to get the same point across.
These days, he found himself locking doors more often, surveying the cameras longer, and questioning his members to a further extent. Members swore they were being watched from all angles thanks to the added cameras. Some of them cared, but that didn’t matter to Anopheles. Not anymore.
Also, when you're writing dialogue, you don't capitalize the word after the quotations if it's describing the speech. Only when it's describing an action. You also end dialogue with a comma, instead of a period, unless using another punctuation mark. So, this part:
“What time is it?” They asked, keeping their eyes averted from Anopheles.
“8 P.M” He replied.
Should be:
“What time is it?” they asked, keeping their eyes averted from Anopheles.
“8 P.M,” he replied.
Mostly, I think you just need to work on wording and structuring things so they flow better, but your writing is pretty solid.