A man on death row in Texas who had expected to be executed on Thursday night is now set to testify next week before the state lawmakers who believe he may have been wrongly convicted of murdering his 2-year-old daughter and secured him an extraordinary reprieve.

Roberson was scheduled to become the first person in the country to be executed based on "shaken baby syndrome" evidence, until Texas lawmakers subpoenaed him to testify.

Monday’s hearing will be open to the public, presenting logistical challenges with a high-security inmate and expected crowds of journalists, spectators