On a warm and sunny day a few years ago my partner and I were rolling slowly on police mountain bikes up 7th St in the Hilltop neighborhood. I remember hearing a loud noise from behind us, a noise that sounded like a wild animal screaming, when something crashed into me. I flew threw the air, landed on the street and tasted pavement.
That something that tossed me off my bike and into next week was a human being. In fact, it turned out to be a homeless man with whom I was familiar. At least I thought I knew him. …