It’s a “no-fault ‘state’”. Cops are only required to respond if the accident causes injury or what I was told “there is blood”. Take pictures; exchange information; and let the insurance handle it. Insurance companies know this about DC and work with you.

I bet that is it. When I rode the metro I’d always catch a whiff as I walked south. I just looked up the bakery and it’s pretty close to where the smells were. A little wind and I can see how this could be the right answer.

Good question OP, always wondered that myself