Officers say many of those were after people didn't secure their car properly.
Do You Know This Man?
Detectives in Bournemouth are renewing their appeal for witnesses and anyone with information to come forward after a man was attacked in the town - with an e-fit of the offender being released.
The incident took place at approximately 9.40am on Thursday 11 October 2012 in the Parkwood Road area of Boscombe.
The victim, a 64-year-old man from Boscombe was threatened and forced to hand over property including a laptop and cash. He sustained minor injuries.
Detective Constable Steven May, of Bournemouth CID, said:
"I am now able to release some more information about this incident.
"We now know that this was a targeted attack on the victim in which the offender entered his house and threatened him with a knife."
The offender ran off into the Coleville Road area of Boscombe through some back gardens. He is described as:
-a white man in his 20s
-approximately five feet 11 inches tall
-of skinny build and gaunt appearance
-short close cropped hair
-He was wearing a dark coloured, possibly navy jacket, dark coloured trousers, and was carrying a purple rucksack.
-He was wearing a hat during the offence although it is believed that he removed this as he left the property.
DC May continued:
"From the victim's description it appears that the offender may be a drug user and I urge anyone with information to contact Dorset Police urgently in the strictest confidence.
"I also want to reassure the public that this was not a random attack and that this type of incident is extremely rare."
Witnesses and anyone with information should call Dorset Police in confidence on 101 quoting incident number 11:108.
Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111 where mobile phone tariffs may apply.
James Hemming pleaded guilty to wounding with intent after a 17-year-old girl was badly injured in Fratton.
Dorset and Hampshire officers will be carrying out extra patrols until New Year's Day.
Hampshire Police have dealt with more than 100 cases in a year of people being blackmailed over intimate webcam images.
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