“‘I think people instinctively believed too much supervision is not enough. But it turns out too much supervision is too much. ... It does tremendous harm, and it costs a fortune,’ Krasner said in an interview outlining policies to be announced Thursday. Nationally, about 40 percent of people on probation are reincarcerated, making community supervision a major driver of incarceration. About 40 percent of Philadelphia’s jail population is being held on a detainer for a violation of probation or parole.“

Philadelphia Inquirer

March 21, 2019