Watch live: Prosecutors have press conference to discuss charges against Rep. Christopher Collins
Rep. Chris Collins (R-NY) (Screen cap).

Prosecutors in New York are having a press conference to unveil evidence against U.S. Rep. Christopher Collins (R-NY), who is charged with financial crimes.

Collins was the first person in Congress to throw support behind long-shot presidential candidate Donald Trump and stands accused of using inside information about a biotechnology company to make illicit stock trades.

Watch below.