Unsolved Murders

Request 1
How many unsolved murders your force is actively investigating (as of 17 June 2022)?

Request 2
How many further unsolved murder cases remain open but inactive (i.e. because all reasonable current lines of inquiry have been investigated)?

Request 3
For each case in your answers to questions 1 and 2, could you tell me:
 The name, age, sex and ethnicity of the victim (if known)
 The year the police investigation began
 The method of killing if known (i.e. shooting, knife or sharp implement, physical assault with no weapon, etc).