POSSIBLE BREAKTHROUGH IN MYSTERIOUS NICOLA BULLEY DISAPPEARANCE

Three blindspots have been identified, and 'suspicious' red van seen close to the area she disappeared.

But who would know where the blindspots are?

See : Witness tells Nicola Bulley police they saw 'suspicious' shabby red van in search area

See : Nicola Bulley's missing two hours: Detectives probe mystery gap between mother's disappearance and first call to police - as three key CCTV blind-spots are identified where she vanished