From left: Katy Padilla Stout and Brandon Herrera, Democratic and Republican candidates for the U.S. House in Texas' 23rd Congressional District.

Credit: Kaylee Greenlee for The Texas Tribune Controversial two-time Republican congressional candidate Brandon "AK Guy" Herrera will face off against Democratic rival Katy Padilla Stout in a televised debate this Tuesday.

The high-stakes live debate between the pair running to represent Texas' 23rd Congressional District will take place at 6:30 p.m. and last an hour.