A Chicago-based charity has worked to free at least 20 defendants facing felony charges—including attempted terrorism and assault of a police officer—as an unprecedented crime wave rocks the city. The Chicago Community Bond Fund, which opposes cash bail and pretrial incarceration, has posted bond for the alleged felons, putting them back on the streets before their trials. The charity, like other community bond funds across the country, is now flush with cash, raising $3.5 million from 75,000 contributors in late May and early June. Bond funds together have taken in $90 million in the weeks following George Floyd’s death alone,...