danny jalini owns the dealership. >> when you realize eight cars have been stolen and 12 damaged that are going to need body work and repairs that kind of, you know, puts you in a different perspective. and makes you realize that, anything is possible. >> reporter: it is similar to what happened earlier this month when ten criminals used a truck to rip off the doors of this houston gun store. they busted through several glass cases. in just two minutes they stole 85 weapons. the national retail federation polled retailers around the country to gauge the impact of what is called multiple offender crimes. recent study found that eight out of ten retailers report being a victim of the type of crime. suspects in only half of the cases were ever arrested. jalini says police told him including one of his most expensive vehicles worth $27,000. hindsight is always 20-20. we have learned a lesson. main lesson is don't leave the keys on the lot. >> reporter: police say the suspects are part of a gang based out of orlando. the dealership owner says criminals walked away with all the keys even of