David and Goliath: Underdogs, Misfits, and the Art of Battling Giants

policing. Jaffe put her J-RIP task force
in a trailer in the parking lot of a housing
project, not off in a station house
somewhere. She made every
surveillance tool available to her J-RIP
team. They made lists of each J-
RIPper’s associates—the people they
had been arrested with. They went on
Facebook and downloaded photos of
their friends and looked for gang
affiliations. They talked to brothers and
sisters and mothers, and they put together
giant, poster-size maps showing the
networks of friendships and associations
that surrounded each person—the same
way an intelligence organization might
track the movements of suspected