A thug who held a knife the throat of a teenage Good Samaritan to steal his expensive mountain bike has been jailed.
Gary Maxwell, 34, pretended to 17-year-old Mark Cooper that he needed to know when the next bus was due to arrive.
But when the teenager hopped off his £750 Boardman bike, and began checking the bus timetables on his phone, Maxwell held a knife to his neck and demanded the cycle.
Maxwell denied assaulting Mr Cooper and robbing him of his bike with a knife in Bridge of Weir Road, Linwood, Renfrewshire.
He went on trial over the claims at Paisley Sheriff Court last week and was convicted by a jury of the assault and robbery on Monday.

They also convicted him of assaulting Police Constable Ian Brown, by headbutting him, at Govan police office, in Glasgow's Helen Street, and assaulting PC Mark Robertson, by kicking him on the body, at Glasgow's Queen Elizabeth University Hospital.
And they also found him guilty of being in possession of cannabis, a class B drug, and class C drug Etizolam, which is often sold as valium.
Sheriff David Pender jailed him for 12 months for the police assaults, and four months for the drug offences, to be served alongside the four-year term he was given for the armed robbery on October 4 2020.
Mr Cooper, who is now 18, was the first witness in the case, and said Maxwell threatened to kill him if he notified police.
He explained: "I got stopped. I got asked when the next bus was coming.
"I stopped. I was just sitting on my bike. I got my phone out and was checking the McGill’s app.
"I asked what number [of bus] he was looking for. As I’ve looked up I had a knife held right there, to my neck.
"I was a bit scared. At first I didn’t feel like it was really going on.
"I said, ‘are you being serious?’ and then he said to me, ‘it’s a lockback and I will stab you’.
"I was really scared at that. I stepped off the bike. He said, ‘give me the bike or I’ll stab you’.
"I stepped off the bike and gave him the bike, then I walked away, across the road.
"I looked back and he shouted over and said, 'grass me up and I’ll kill you."
But he said his dad notified police after he made his way home without his bike and told his parents he'd been mugged.
And he said he did not go to the police himself because of the warning Maxwell had given him.
He explained: "I didn't contact the police. I didn't want anything to come of it.
"My dad went and contacted them anyway."
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