The search is on for a man who threatened a shopper with a knife. Oxnard Police say it happened in the parking lot of Marshalls on Ventura Boulevard around 8:30 last night. Police say a man forced himself into the woman's car and then jumped into the back seat. His motive is not known because the woman managed to scare him away by honking her horn as another car parked in front of her car. To play is safe Police say you should avoid overloading yourself with packages. They also say you should be aware of strangers approaching you for any reason. For more tips log onto the National Crime Prevention Council website below: <a href=" › About Us › News" target="_blank">Nat'l Crime Prevention Council Shopping Safety Tips</a> Share your comments about this story with us on the <a href="" target="_blank"> KEY News Facebook page.</a><a href="" target="_blank">Connect with KEY News on Twitter</a>