Tactics by immigration agents attempting to arrest undocumented immigrants have shocked the public and led to protests. But what is, and isn't, allowed by law when it comes to ICE arrests?

A Mexican national remained in grave condition after being shot at least four times in an attack earlier this week on a Dallas ICE office, his brother told a Spanish-language television network. Miguel Ángel García Medina was shot in his flank,

The shooting suspect was identified as 29-year-old Joshua Jahn, multiple law enforcement sources told ABC News.

US Immigration and Customs Enforcement could be expanding office space in Oklahoma City thanks to a GSA proposal, according to the Washington Post.

Evidence the FBI has gathered on Wednesday’s shooting that killed a detainee at a Dallas ICE field office includes a handwritten note indicating a desire to “give ICE agents real terror,” as well as other clues suggesting “a high degree of pre-attack planning,

Penalties vary depending on the nature of the assault and injuries. If the attack results in the death of an ICE agent, whether it be murder or manslaughter, punishments can include life imprisonment or the death penalty, per the Federal Death Penalty Act.