On April Fools' Day, Riddler is attacked but left unharmed, so he could publicly tell that Falcone was actively looking for Holiday himself. Holiday's guns are traced back to Gotham's Chinatown neighborhood, but the Chinese gun-maker is found murdered inside his shop on Mother's Day.
On April Fools' Day, Riddler was attacked but survived, enabling him to publicly reveal Falcone's pursuit of Holiday.  Holiday's guns were traced back to Gotham's Chinatown, but the Chinese gun-maker was found murdered inside his shop on Mother's Day.