Three newly discovered videos show the Minneapolis ICU nurse being tackled by federal agents in a prior confrontation

Alex Pretti, a 37-year-old ICU nurse, was fatally shot by federal officers during an anti-immigration rally in Minneapolis. Here's what we know so far.

The fatal shooting of 37-year-old Alex Pretti during an altercation with federal agents in Minnesota on Saturday (24 January) has sparked renewed debate over US immigration…