Questions are still unanswered after a gunman opened fire at a Dallas ICE facility on Wednesday morning.

Todd Lyons, the acting director of Immigration and Customs Enforcement, spoke with Glenn Beck on "The Glenn Beck Program" Thursday morning to give an update on the investigation and to discuss the current milieu of violence in our country.

'I've never seen anything like this in my career.'

Beck started the interview with a question about the rising tide of violence in the United States. Lyons told him, "I've never seen anything like this in my career." However, Lyons added that the violence "won't deter us," noting that brave law enforcement officers continued their dangerous work on Thursday.

RELATED: DHS: Deadly Dallas ICE shooting came a month after bomb threat at same office

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