Focused deterrence, also known as a “call-in,” is a strategy in which community stakeholder groups deliver a nonviolence message to community members who are most likely to commit violence. Call-ins have been associated with substantial reductions in gun violence in Boston and Indianapolis (McGarrell, Chermak, Wilson, & Corsaro, 2006), and have become a widely used strategy for gang violence intervention throughout the country. As call-in strategies are implemented in more cities throughout the country, some cities are interested in applying focused deterrence to a new target population: high risk juveniles. This California Cities Gang Prevention network bulletin draws on academic literature and the experiences of Network cities like Oxnard and Salinas, and other cities including Union City, California; Boston Massachusetts; and Winston-Salem, North Carolina to provide information about juvenile call-ins. Also, to advise effective implementation of juvenile call-ins, this bulletin provides examples from cities that apply call-ins to juveniles, discusses how call-ins may differ for juveniles and adults, and discusses key elements of effective call-ins.