Subscribe to The Y'all - a weekly dispatch about the people, places and policies defining Texas, produced by Texas Tribune journalists living in communities across the state. Harris County officials still don't know the names of the agents who were present when an ICE officer shot and killed Lorenzo Salgado Araujo in Houston, leading the county's district attorney's office to investigate this case like a criminal investigation to figure out who fired the shot. We will investigate it like we do all criminal investigations, said Harris County District Attorney Sean Teare during a Monday joint press conference with County Commissioner Rodney Ellis. We are good at identifying individuals who don't want to be found. Teare called the lack of cooperation from federal agencies unacceptable and unprecedented, but his office is determined to get answers for Araujo's family and Harris County residents. In all likelihood, this will take many, many months - potentially years - before we finally get the answers that we all need, but we will not rest, and we cannot do it without the support of the public and the support of our commissioners, he said. Ellis said he will present a proposal to the commissioners' court to fund an independent investigation into Salgado's death, and he believes the funds will remain as long as needed. His family deserves answers, Harris County residents deserve answers, the American people deserve answers, he said. Ellis didn't have specifics on how much funding would be needed for the independent investigation, but promised the district attorney's office would have what it needed to solve this case. The government exercised its greatest power, the power to take life. It also has the responsibility to answer for its actions, he said. History will judge how this moment was handled. Harris County should be able to say we did everything within our power to preserve evidence and uncover the facts. An ICE agent killed 52-year-old Salgado Araujo on Tuesday after agents in unmarked vehicles stopped him and three others on their way to work, b #click2houston #crimewatchhouston