Keeping this in consideration, how long can you be under investigation by police UK?
28 days
Furthermore, how long can the police release you under investigation? As a result of the introduction of the Policing and Crime Act 2017 the police can no longer release someone on bail for longer than 28 days, unless this has been lawfully extended. The police will now routinely release suspects under investigation.
Beside above, how long does under investigation last?
There is a presumption of release without bail unless the necessity and proportionality criteria are met; Where these criteria are met a maximum 28 day period of pre-charge bail can be granted by an Inspector; This period can be further extended to a period of three months by a Superintendent.
How long can police keep your phone?
The police will hold your property until all relevant matters have been dealt with. Once the letter of authorisation has been sent to you the general procedure is for them to wait 28 days for you to collect your property or for a response either by telephone or in writing.