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 is attacked and survives, allowing him to publicly reveal Falcone's pursuit of Holiday.  Holiday's guns are traced back to Gotham's Chinatown, but the Chinese gun-maker is found murdered inside his shop on Mother's Day.