"Some of the different stuff we've done is quite unbelievable" says Sgt David Joseph.
"Like, the goat has been in Number 10 Downing Street.... Buckingham Palace... we've been to St James' Palace too".
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Two brothers from Cardiff are campaigning for their cousin's murder to be re-investigated, 76 years after she died.
An investigation found patients were sworn at by staff, left in soiled beds and restrained with furniture.
A cool and breezy afternoon with a risk of showers along the North Wales coast. Rain expected to reach northwestern parts this evening.