A Committee of enquiry, chaired by Lord Hunter, was established to investigate the massacre. The committee's report criticised Dyer, arguing that in "continuing firing as long as he did, it appears to us that Colonel Dyer committed a grave error." Dissenting members argued that the martial law regime's use of force was wholly unjustified. "Colonel Dyer thought he had crushed the rebellion and Sir Michael O'Dwyer was of the same view," they wrote, "(but) there was no rebellion which required to be crushed."