Sorted from best to worst

Immediately right from inside the police station behind the dumpster, faster to not reset.

You can talk to her from the top of the dumpster. She's only about 0.2 seconds faster than #2.

Immediately left from inside the police station. Faster to not reset.

Following this are the un-optimal informants.

Behind the subway to the left of the oyster white building.

Reset then make a u turn out of the subway.

In the little alleyway directly in front of the subway.

Reset then go around the building in front of the subway.

If in ng+, glitch through the wall using the cartwheel animation.

Top of the scaffolding in the middle of the map.

Reset then go left and jump to the top of the buildings.

Reset, go left out of the subway and he's to the left of the crashed car. I get this guy all the fucking time.

Reset, go right out of the subway and he's to the left of the pillars of the museum.

Easy to forget basic white woman with brown hair.

Don't reset, go right out of the police station and jump over the shop. She's behind the dumpster.