Detectives investigating a double shooting on Canvey Island are faciung a wall of silence.
The two victims are both refusing to give statements.
As a result, members of the local community are now being urged to come forward with informaiton.
Five men arrested in connection with the incident on Somnes Avenue in the early hours of last Saturday have now been released without charge.
Witnesses or anyone with information are asked to call officers at Southend CID on 101.
Alternatively, they can contact Crimestoppers anonymously on 0800 555111 or www.crimestoppers-uk.org