Social media erupts after course offers discount to `` commemorate '' terror attacks . Offer : $ 19.11 for 18 holes , $ 9.11 for nine holes . Management apologizes on CNN , reports death threats . By Tuesday , TumbleDown Trails Golf Course was reporting death threats . Course may be closed on Wednesday due to security concerns .
Social media erupts after course offers discount to `` commemorate '' terror attacks . Offer : $ 19.11 for 18 holes , $ 9.11 for nine holes . Management apologizes on CNN , reports death threats . Course may be closed on Wednesday due to security concerns .