Seeking Jewish commentary on specific suicide situation

I’ve been trying to research this today: Jewish thought/commentary/approach regarding suicide by someone avoiding accepting their punishment. I know someone who did this the night before/morning of their arraignment in federal court last month. There are more famous cases of criminals (think, Jeffrey Epstein) committing suicide in jail awaiting trial or once in prison.

I am extremely bothered because i knew this person and the concept of not facing your punishment or not repaying your debt to society is outside my realm of possibility. I know others will just say he was a coward or whatever, but I have been thinking about this person’s crimes for two years and learning this today was just mind blowing. I have a hard time accepting this is just how it is and am looking to learn what our sources might be able to teach on this topic. I don’t know where to look as it is so nuanced.