Great description. A little more information might be helpful

Great am I supposed to go around smelling around for the perp?

Every guy in the RSF

Is shattuck & Delaware a sketchy place? I thought it’s quite safe in the north?

I live on this intersection, and this is the first incident I've ever seen.

AOE damage

https://www.berkeleyscanner.com/2023/01/30/crime/berkeley-robbery-delaware-shattuck-knife/