Thames Valley Police have released new images of missing Isaac from Aylesbury, captured in Bicester on Monday.
The 30-year-old, from Broughton, was last seen in Bicester at 2.25pm on Monday.
Isaac is white, 5ft 10ins tall, slim, with a shaved head and tattoos of a poem and a ribcage on his arm.
He was last seen wearing a black hoodie, black skinny jeans and a backpack.
Isaac is known to frequent Aylesbury town centre, Waddesdon and we believe he is now in the Bicester area.
Police say they are extremely concerned for Isaac’s welfare.
If you see Isaac, please call 999. If you have any other information regarding his whereabouts then please call 101, quoting investigation reference number 43260178688.
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