[HarryCaul]

Or a guy changing clothes for work, or dozen other explanations. I’m not seeing an obvious connection here at all. He’s hardly the first man to change shirts in a NY alley.

There’s more they aren’t saying or this is nothing at all.

[Sacajaweau]

If he's putting it in a bag...either the bag was in the alley or he got out of the SUV carrying a bag. Why put it in a bag at all? Think maybe not best trail to concentrate on...

Look for someone, something "just not right" in the pictures you view...like someone hurrying just a bit more...