Simplify the following text for a Grade 8 native English-speaking person.
Original: On November 27 , 1978 , Milk and Mayor George Moscone were assassinated by Dan White , another city supervisor who had recently resigned but wanted his job back .
Simplified: On November 27 , 1978 , Milk and Mayor George Moscone were assassinated ( murdered ) by a man called Dan White . White was another city supervisor who had recently resigned but wanted his job back .