The simplest way a card counter makes money is to bet more when he has an edge.

This is obviously a major hindrance for the card counter.

"How many card counters do you see in here?"

Several automated systems have been designed to aid detection of card counters.

Casinos have spent a great amount of effort and money in trying to thwart card counters.

Now, as the mentality of the 1990s has changed, the casinos treat the card counters well, even when asking not to play.

When card counters vary from basic strategy, they do so in response to the count, to gain an additional edge.

They had a potential card counter on their hands, a professional blackjack player, one to be watched and filmed.

Major casinos now use the technology to spot card counters at blackjack tables.

Casinos can lower the maximum bet at tables where suspected card counters are playing, but not in the middle of a hand.