Edward Meenan was found brutally murdered in the Bogside on Sunday
The 52-year-old was found dead in the Creggan Street area in the early hours of Sunday, November 25, not far from his home in Little Diamond in the Bogside.
Police say the father-of-nine had sustained significant injuries to his head and body.
Three males aged 31, 26 & 17 years old remain in police custody at this time.
A woman also arrested on suspicion of murder has already been released on bail pending further inquiries.
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