Here are a news article and a website on “Mass Bailout” and a publication on pretrial detention.
Ex-NYC Probation Chief: Why I Joined the ‘Mass Bailout’ https://thecrimereport.org/2018/10/05/why-i-helped-bail-someone-out-this-week/#
Mass Bail out of women and youth https://rfkhumanrights.org/news/rfk-bail-action
Research pretrial detention https://www.arnoldfoundation.org/wp-content/uploads/2014/02/LJAF-Pretrial-CJ-Research-brief_FNL.pdf