<P> Ed Green is introduced as senior detective Lennie Briscoe's (Jerry Orbach) new junior partner, succeeding Rey Curtis (Benjamin Bratt). Green's willingness to bend legal rules to arrest a suspect does little to endear him to his superiors, and he initially thinks Briscoe is too old to investigate crimes effectively . Green and Briscoe have several heated disagreements about the latter's capabilities . Later, however, Green grows to trust and respect his partner, as well as tone down his unorthodox investigative methods . He and Briscoe often joke about their age difference, as well as Green's Rolex watches and Briscoe's two failed marriages . His badge number is 3472 . </P> <P> After they work together on the show for five years, Briscoe retires, and Green is more affected by his retirement than he expected . It takes him a while to warm up to his next partner, Joe Fontana (Dennis Farina), whose style is more abrasive than Briscoe's . However, Green eventually deflates some of the tension between Fontana and their lieutenant, Anita Van Buren (S. Epatha Merkerson). </P> <P> Near the end of Season 15, Green is shot in the line of duty and hospitalized for several weeks . During his absence, he is replaced by Nick Falco (Michael Imperioli). The absence of Green's character from the show was occasioned in the real world by actor Martin's sabbatical to reprise his former Broadway depiction of Tom Collins in the motion picture version of Rent . </P> <P> Green is promoted to senior detective after Fontana retires . He is partnered with Nina Cassady (Milena Govich), over the objections of Van Buren, who thinks Cassady is too inexperienced to be a homicide detective . Initially, Green seems to have a similar opinion, but as time passes, their partnership becomes more solid and they become more relaxed and friendly with one another . Their relationship remains professional, however . </P>

Who shot ed green on law and order
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