An internal review is underway regarding the vetting of an immigration officer. This officer was involved in a deadly shooting in Maine. The shooting victim was a Colombian native.

The review was announced by President Donald Trump's border czar. It comes after relatives of the officer shared information about his past with The Associated Press. They revealed that he had struggled with serious mental health issues and exhibited violent behavior.

Further details about the incident and the internal review are available from the source. The review is currently ongoing, with no additional information provided at this time.