The question is - have you, realising that you are under police investigation, attempted to destroy information which that investigation is interested in. Not

The question is - have you, realising that you are under police investigation, attempted to destroy information which that investigation is interested in. Not "Do you have a lock on your phone" or even "Do you have a lock on your phone which causes it to self-wipe after 5 incorrect password attempts" but "Did you, when you realised the police were on to you, deliberately wipe some data to stop you getting into trouble."