I'd help more but the Blade Runner aesthetic is one I didn't run into often in my adventure gaming, but...

Could it not possibly be one of the Tex Murphy games? HG101 Article They all have different styles. Martian Memorandum looks like it might fit your description.

I think there was also two games called Manhunter by Sierra?

I Have No Mouth and I Must Scream?

Of course all this is assuming its even an adventure game. It seems to me there's plenty of non adventure games that kinda match. Up until you said it uses screen flipping instead of scrolling, I thought it might be Crime Patrol.