Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: A woman charged with helping two convicted murderers escape from prison admitted to her role in the plan to her husband when she backed out of being their getaway driver and the inmates threatened his life. Joyce and Lyle Mitchell worked as instructors at the Clinton Correctional Facility, where David Sweat and Richard Matt were reported missing June 6. Now, the details of how the two inmates who Joyce helped escape from the prison planned to murder Lyle have been revealed as the men remain at large and the search to find them enters day 14. Lyle's lawyer meanwhile is revealing just how unaware his client was of his wife's actions as he slowly starts to rebuild his life.Lyle Mitchell was completely unaware of his wife's involvement in helping David Sweat and Richard Matt escape from Clinton Correctional InstituteJoyce Mitchell was to meet the men at a power plant and then drive them seven hours to a wooded area after they escaped from prisonFirst David Sweat and Richard Matt they would go to Joyce's home where the two men planned to kill LyleJoyce claims she started having second thoughts the night of the getaway and had Lyle bring her to the hospital after dinnerIt was only after police began talking to employees and Joyce confessed that Lyle learned of her involvement, two days after the escapeIt was also revealed that Lyle had previously confronted his wife and Sweat about rumors they were having a relationship 
 Question:'Toward the end, Joyce had told _ - and we have no reason to doubt it - that she told Sweat and Matt that she wasn't going to go through with it,' he said.

Lyle Mitchell