doesn't qualify him as a violent criminal...but your unsupported claim does qualify you as someone bent on misleading this board. Second, the suspect was not known to local authorities, either.
Every murder is tragic and demands justice...but painting with a spray gun to depict all, or even a fraction of undocumented immigrants as violent criminals borders on hysteria...but then, IMO that's the reaction you are shooting for.
Let's see you present a clear data-driven and reviewed study that refutes what I've shared...i.e. violent crime...indeed all crime stats...show undocumented immigrants to have fewer offenses as a group than native born Americans.
Link: https://www.11alive.com/article/news/crime/jose-ibarra-accused-killer-laken-riley-georgia-immigration-system/85-0294133e-f5e1-4e2f-a2df-ab017b498508