Several issues are important in this case...
• Detaining and deporting an undocumented immigrant for reporting domestic abuse will discourage other victims of domestic abuse, among other crimes, to not seek help or report those incidences to authorities.
• If the tip came from the allegedly abusive partner, this sets a dangerous precedent as it signals to other criminals that they can threaten, intimidate, and control people with deportation - even innocent people.
• This particular undocumented immigrant has a history of criminal behavior, including a violent act. She had been deported six times, repeatedly breaking the law by illegally re entering the country.
Clearly, we can't allow alleged abusers to have power over their victims through threats of deportation, so ICE shouldn't respond to such tips. They also shouldn't detain and deport individuals who are reporting crimes or following proper protocol by checking in with ICE. Undocumented immigrants should also be offered a pathway to citizenship, assuming they do not have a criminal record. Only those with criminal records or who have been detained for committing a crime should be deported by ICE. This woman simply doesn't belong in the country, considering her repeated and blatant disregard for our laws. But she also shouldn't have been detained and deported in these circumstances.
Deportation is rightly used against any illegal alien convicted of spouse abuse, which is itself a crime. To that end the Feds in recent years have typically protected the battered spouse or the parent of abused children remain in the country at the least to testify against an offender illegal alien or a citizen criminal.
Of course I assume the worst in President Trump. He is a weak leader, someone at once capricious, opportunistic, and rigid. Leaders like that often rely upon fear and humiliation to achieve their objectives often become tyrants.