The proposals to be brought forward would address the fact the police - who can already tell when, where and who made a mobile phone call or sent a text message - cannot always trace the origin of an email, a message sent via instant messaging or a phone call made over the internet.

BBC: 'Fresh proposals' planned over cyber-monitoring

He knows how to lift a prized vase so as not to leave behind trace oils and whom to call if a 17th-century piece of furniture needs to be moved (the historians at the local museum).

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