On Monday, Robert Roberson is set to testify before a committee of the Texas Legislature — the first time a person on death row has had such an opportunity. Roberson was set to be executed Thursday, but the evening before the Texas House Criminal Jurisprudence Committee voted 7-0 to subpoena him to appear before the panel.

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.

In a last-minute decision, a Travis County judge granted a temporary halt to the execution of Texas death row inmate Robert Roberson. Here's what to know.