The Justice Department, under Attorney General Bill Barr, has killed 10 federal inmates since July
They plan to execute three more before Joe Biden's inauguration next month
Court documents obtained by ProPublica reveal how the Trump administration is rushing to execute the most federal prisoners since World War II
Among details included in court records are that private executioners have been paid in cash and drugs have been purchased from a secret pharmacy
One execution has gone ahead while an appeal was still pending and an inmate was left strapped to a gurney while lawyers tried to remove a court order