In all three incidents, the vehicles were posted online through websites such as Auto Trader, Kijiji and Facebook. The sellers were contacted by a prospective buyer and arrangements were made to meet.

During the transaction, the suspect(s) looked for an opportunity to get into the vehicle alone and drove away.

One of the investigations revealed two suspects through video surveillance.

Investigators from the Hamilton Police BEAR Unit are appealing for the public's assistance in identifying these suspects.

If you have any information that you believe could assist Police with the investigation into this crime you are asked to contact Detective Constable Brandon Smith at 905-546-8925 or Detective Sergeant Andrea Torrie at 905-546-2991.

To provide information anonymously call Crime Stoppers at 1-800-222-8477 or submit your anonymous tips online at http://www.crimestoppershamilton.com.

Hamilton Police is reminding Hamilton citizens to keep the following tips in mind when selling or purchasing a used vehicle online.

• Meet in a public place
• Meet during daylight hours
• Speak with the seller ahead of time and establish a plan, method of payment, route to test drive
• Bring a friend along for the meet
• Bring your phone with you and ensure it is fully charged
• Turn on your location tracking on your device
• Ensure your meeting spot is surrounded by populated roads, avoid highways and urban if possible
• Should the vehicle flee please DO NOT attempt to stop the vehicle and put yourself at risk