Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: The man who was murdered at his home near Belfast city centre is reported to have been involved in a pub fight 10 years ago that would eventually lead to one of Northern Ireland's most high profile killings.

Belfast murder: Who was ex-IRA man 'Jock' Davison?