The best-documented massacre took place on 20–21 June 1940 when three transports with 358 inmates were sent from Pawiak to the place of execution near Palmiry.
1940年6月20日至21日发生了记录最为详细的大屠杀事件，当时有358名囚犯分三次从帕夫亚科运送到帕尔米里附近的处决地点。