Police need help finding a Loughton man who may have vital information about harassment cases in Chelmsford and Waltham Abbey.
Investigating officer Pc Marie Mendoza hopes Daniel Gibson will come forward or that the public who know him will get in touch.
She said: "We believe that Daniel Gibson can help us and although he is from the Loughton area we have not been able to find him."
Anyone with information about Mr Gibson or his whereabouts should contact Pc Mendoza or her colleagues at Loughton police station on 101.
Investigating officer Pc Marie Mendoza hopes Daniel Gibson will come forward or that the public who know him will get in touch.
She said: "We believe that Daniel Gibson can help us and although he is from the Loughton area we have not been able to find him."
Anyone with information about Mr Gibson or his whereabouts should contact Pc Mendoza or her colleagues at Loughton police station on 101.