Houston Mayor John Whitmire and Houston Police Chief Noe Diaz say they have requested the Texas Rangers to conduct an independent investigation following a deadly ICE shooting last week in Houston that killed Lorenzo Salgado Araujo.

What we know: In the letter, written by Diaz, it states, "Mayor Whitmire and I are asking for the Texas Rangers to conduct their own investigation which will ensure it is independent and transparent. This has been done in previous cases." Diaz added in the letter that he met with the FBI on Tuesday at the direction of Mayor Whitmire to regarding the case and facilitated the attendance of the Texas Rangers.

Diaz said, "I will continue to make all appropriate HPD resources available to support DHS-OIG, FBI Houston Division, and any other law enforcement agency, including the Texas Rangers, in their efforts to ensure this investigation is conducted in a timely, transparent and thorough manner." The backstory: According to ICE, Lorenzo Salgado Araujo, a Mexican national who was allegedly in the country illegally, was shot around 6:50 a.m. on Canal Street between S. Sgt. Macario Garcia Drive and Wayside Drive in the East End last week.