Cops deemed to not have performed well risk losing as many as 10 vacation days or two weeks pay, sources said. “They manage this through a spirit of fear,” said one veteran cop. “Maybe the officer doesn’t present his testimony good enough. So they say, ‘OK, we’re going to take a week’s pay from you.’ ” The result is higher conviction rates — and a tense atmosphere in which officers sometimes falsify their notes and don’t tell the truth in court to avoid being punished, police and defense lawyers say. Defense lawyers say sympathetic judges even coach cops on what...