car bomb device. the investigation this point forward now, jeff baty is a security consultant and senior adviser for total security international. he s joining us now from boston. what we re learning from the commissioner about the components used in this car bomb, the device, you see that there are some real similarities to what we re learning about what took place in times square last night and the 1996 bombing of the centennial park during the olympics. in what way? first of all, when we see the components that are being described right now, we have to very carefully listen to each word. we hear about fertilizer being present. fertilizer alone without some fuel oil really does not make a large bomb. gasoline, propane. but if it s not mixed all together properly, if it s just there, then perhaps it s just making a statement and, in fact, it may be interesting to note that the police commissioner