Phil in SF quoted The Underbelly by Gary Phillips
Having grown up in late-sixties South Central Los Angeles, Gary Phillips vividly recalls stories of …
He sat next to a young man with his hair frizzed out at numerous uncombed angles. He was listening to his iPod while reading a Philip K. Dick novel, The Three Stigmata of Palmer Eldritch. The youngster wore a Free the Buses t-shirt, a fight-back effort Magrady had belonged to several years ago.
— The Underbelly by Gary Phillips (25%)
The protagonist sleuth is a homeless vet who occasionally does transit activism. I'm kinda in love with this story. (I don't know the particulars of that campaign, so I can't say whether it's something I would have participated in.)