For every security feature built into slot machines over the years, there has always been a “genius” gambler who has found a way to cheat the technology and rip off the house. 

 Prolific former slot cheat recounts how he honed spurious skills - Wednesday, June 29, 2016 | 2 a.m. - Las Vegas Sun Mobilehttp://m.lasvegassun.com/news/2016/jun/29/prolific-former-slot-cheat-recounts-honed-skills/