Otto asked attendees of the eighth annual Conference on Compulsive Gambling, held in Orlando on Feb. 23-24. They are where they are, namely congregated in senior residential communities and massive mobile home parks. Easy to find, easy to reach. Seniors aren't as skeptical. Seniors are easier to identify by their physical appearance.
Seniors are less likely to report scam crimes.
And they don't want to bother law enforcement. It is hard to hang up. We all want to believe. That is not chump change. Relatives and friends can observe if seniors are getting a lot of junk mail, or items they say were bought to get a bigger prize.