He has steadfastly maintained his innocence, noting in his jailhouse letter to the press that U.S. investigators were unable to find “a single peso-dollar” worth of bribe money in his bank accounts.

A jailhouse informant and Williams’ then-girlfriend told authorities he had confessed to the crime.

The jailhouse informant testified that Williams had boasted about killing Gayle.

She abandoned her stance on jailhouse balloting the very next day.

Espino was similarly convicted off his own jailhouse comments, after he spoke to his mother on recorded phone calls about the attack.