Serial Killer Estimation

I feel that this estimation is too low. I think that one of the most difficult aspects of serial crimes is determining whether or not a new crime has been committed by a random killer, a new serial killer, or a serial killer already in the system. With the popularity of crime shows on television, from the unrealistic solve the crime in an hour with little to no evidence, to true crime shows, criminals are able to easily see techniques that law enforcement use. While some serial killers are completely ritualistic and will not change techniques regardless of the fact that this can and has led to detection, I feel that there are many killers out there that are willing and able to adapt their killing style in order to avoid detection. I feel