Sen. John Cornyn, R-Texas, said Thursday that the FBI approved his request for federal law enforcement to help locate Texas Democratic lawmakers who left the state to block GOP redistricting efforts. State Reps. Trey Martinez Fischer and Ana-Maria Rodriguez Ramos, who left the state and currently are in Illinois, join "All In with Chris Hayes" to discuss. Our next MSNBC Live event is on October 11th in New York City! Buy Tickets Now: msnbc.com/live25 For more context and news coverage of the