It seemed super weird to me that two, but only two, of the kids would be removed from custody just because the teenager committed a crime, even if the crime was against another kid in the family, especially if the accused was no longer living there. I didn't even try to parse that tbh, except that LW has gotta be leaving a lot out. (Given the way LW wrote the letter, my odds are actually on "After Eldest Son was arrested, LW decided he was the only thing that mattered, and started neglecting and/or abusing the kids that sided with the cops, and/or the cops put pressure on family services to take the youngest kids away out of fear that Mom would compel them not to testify")

But we do know that whatever happened caused the family to be split up, and that's enough to get "you ruined my life" on its own, even if nothing that happened was really their fault.

Basically I don't trust anything LW is saying here, period.