That might make sense if you actually convicted and sentenced them rather than TURNING THEM LOOSE!
Carranza was twice charged with robbery, pled to burglary, and was sentenced to 18 months of probation each time. This was a few years before he started on rape and murder (or at least the rapes and murders he's charged with now). So it would have been just dandy if he had been deported before being "punished."
Mrs VS
You are correct, any illegal alien who is pending felony charges is by their very nature LIKELLY TO ABSCOND and should be held without bail. Once DHS has placed an immigration detainer on them, they are not only likely not to appear for their court date, they are guaranteed to be absent.
It is a real problem for DHS when they make bail, most of them have prior convictions that require mandatory removal. This catch 22 needs to be fixed quickly.