Watch father of trampled worker react » . Retail workers union said K - Mart showed ` ` blatant irresponsibility '' and workers said it made many preparations for Black Friday . Temporary worker was trampled as he opened doors at 5 a.m. Union has been one of Wal - Mart 's harshest critics .
Retail workers union said K - Mart showed ` ` blatant irresponsibility '' and workers said it made many preparations for Black Friday . Temporary worker was trampled as he opened doors at 5 a.m. Union has been one of Wal - Mart 's harshest critics .