/ Overland Park set a stolen car record in 2020. Many cities in Johnson County saw a spike last year near 40%. Police say too often people simply leave their keys or key fob in their cars. In some of Johnson County's biggest cities, the increase in the number of stolen vehicles from 2019 to 2020 was over 40%. Police remain unsure about the reason but think the dramatic increase may be tied to the pandemic and economic troubles. When the police tell you not to warm up your car and leave it unattended, it's a good idea to listen because there is a pretty good chance someone is looking to steal it.