Just recently my Grandson was a victim of the menace mainly in London of youths on mopeds who snatch phones and watches from people.
He was attending an event and could not get a signal inside the building and so went outside to talk.
Within no time they sped past and grabbed the phone and disappeared.
These people obviously know that there is no signal inside the building and wait for a victim.
It was more of an inconvenience than anything as the phone could be replaced but when it is needed for all of his work it was annoying.
With the stabbings that are rife in London I do worry about his welfare sometimes but this I'm sure will make him more aware.
Like most of people we think these things will never happen to us don't we?