Complex sentence: Divinci suddenly suspects his partner of taping their conversation; such indeed turns out to be the case, after Frank forcibly searches Rodriguez... who informs Divinci that he has already confessed to the DEA regarding what they've done.
Split into simpler sentences: Divinci suddenly suspects his partner of taping their conversation; such indeed turns out to be the case, after Frank forcibly searches Rodriguez. Rodriguez informs Divinci that he has already confessed to the DEA regarding what they've done.