Wouldn't she notice something about Lena and Frankie?

Perhaps it was also because of Tyrone. Despite Tyrone's vigilance against Larry, Sabrina knew Tyrone considered Larry like a brother.

Was there no way for Tyrone to help Larry evade the consequences?

Even if he didn't want to assist, could she still approach Tyrone without hesitation?

Furthermore, once the case's results were revealed, it would establish Galilea as a legitimate victim of the kidnapping, providing a valid reason for her so-called trauma and mental health issues. In that case, Galilea wouldn't face legal punishment.