Clues yet to be solved.
Two men with hoods pulled over their heads seen running from the front door of Gowling's home at around 2.04pm on February 14.
One was 20-30, of average build, around 5ft 9ins tall and wore a dark blue cotton-type top with integral hood, cream tracksuit-type bottoms, possibly with white stripes down the sides, and white/light coloured footwear.
The other was a similar age, build and height and wore the same type of top but dark trousers or tracksuit bottoms and white/light coloured footwear.
2) Vehicle 1
A Transit-size white van, possibly Ford, Fiat or Mercedes, unliveried with possible minor body damage to nearside rear wheel arch. It was seen at 2.05pm on February 14 in Sanderson Road, Jesmond.
3) Vehicle 2
A black saloon, possibly Vauxhall, and believed to have a Newcastle upon Tyne taxi sign on roof and taxi emblem on the front nearside door. Seen at 2.06pm, February 14, at the back of the Cairn Hotel, Back Osborne Road.