Transocean attorney denies company had employees sign releases . Survivors of the Deepwater Horizon explosion testify to a the Coast Guard committee on April 20 . CNN 's Jessica Ravitz contributed to this report . Also testifying was a father of 11 of the one workers killed in the Thursday blast . Survivors say the company compromised safety with employment cutbacks .
Transocean attorney denies company had employees sign releases . Survivors of the Deepwater Horizon explosion testify to a the Coast Guard committee on April 20 . Also testifying was a father of 11 of the one workers killed in the Thursday blast . Survivors say the company compromised safety with employment cutbacks .