mr. grenon, brian ross from abc news. can we talk to you for a second please? and when it came time to ask the archbishop about his miracle cure and preachings -- >> we are a church, we have sacraments we use. >> reporter: this can cure all these diseases. it quickly turned ugly. >> you are a piece of [ bleep ], as they say in spanish. >> reporter: quite the language from an archbishop. >> stupid son of a bitch. >> reporter: for years, mark grenon has targeted people he calls the uneducated and simple, traveling the world from africa to latin america to the caribbean, making a good living as a man of the cloth. and now in the u.s., with slick internet videos. >> i can say i've been totally cured. >> reporter: and under the guise of a church, the archbishop and his supposed miracle cure, online congregation of devout followers they say numbers in the hundreds of thousands. >> vulnerable, desperate people are always going to be targets for conmen. if somebody swoops in with the miracle solution to your health problems, there's a huge emotional motivation to belie

mr. grenon, brian ross from abc news, can we talk to you for a time finally came to ask the archbishop about his preachings and promises of a cure mark grenon: we're a church and we have sacraments we use. it quickly turned ugly. brian ross: are you harming people do you think with this sir? mark grenon: no, not at all. brian ross: not at all? mark grenon: (01:03:08)you're an actor ok? brian ross: i am a reporter. mark grenon: you're a piece of as they say in spanish. lineup.. charlie brown".... at 9:00... it's "shark tank" and then.... at 10:00.... it's 20/20 and we will see you tonight... for 13 action news.. live at 11.. that's 13 action news for now.. but remember.. we're always on.... at k-t-n-v dot com.. and... our k-t-n-v mobile app. "inside edition" is next so stay with us. thank you for watching.. and have a great evening.. >>> the accused college campus predator. his prom date speaks out. >> he picked you up, grabbed you, and threw you on a table. >>> then, the big mariah carey breakup. did this backup dancer come between her and her billionaire boyfriend? and the billionaire, does