You’re assuming the crime was a vigilante act. We don’t know, and must allow the truth to be revealed. Until then, we don’t know what the motive was.
“...It also does incredible harm to the pro-life movement...”
Bologna Pro-death activists use all kinds of “reasons” to justify abortion and discredit pro-lifers.
Regardless, this is a horrific murder and will set back the pro-life movement enormously. Already the pro-death lunatics are trolling places like Free Republic to gather evidence of bloodthirstiness. This is a repulsive, idiotic act, and all of you celebrating this should be ashamed of yourselves.