John Supplied News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> i'm craig melvin. >> and i'm natalie morales >> and this is dateline. >> i felt like this was the on that i have been waiting for maybe it was too good to b true oh. did he love me or was this all a game >> a beautiful businesswoman falls for a dashing doctor but her daughters have doubts. >> i had lots of suspicions. >> she thinks his fingernail are dirty. this knit does not look to her like the hands of an actua doctor >> who was this guy? >> his nickname was "dirty john". >> this woman knew him all too well >> i started snooping and found everything >> this reporter made some u...

i felt like this was the one that i've been waiting for. >> maybe it was too good to be true. did he love me or was this all a game? >> a beautiful businesswoman falls for a dashing doctor. but her daughters have doubts. >> i had lots of suspicions. >> she thinks his fingernails are dirty. this does not look to her like the hands of an actual doctor. >> who was this guy? >> his nickname was "dirty john". >> this woman knew him all too well. >> i started snooping and i found everything. >> this reporter made some unnerving discoveries, too. >> he scared a lot of people. he swindled a ...

It was basically calling little old women out of money for jobs that he didn't do, and also that he had away with the ladies. >> luken discovered darker secrets as well. john supplied the opioids that killed his own addicted brother. he was alone with his sick father, the old man died rather suddenly. john wasn't charged in those cases, but there were others, said luken, and as the years went on, he developed a certain criminal specialty. >> he would go on dating websites and would find women that usually had good financial backing. he always told people he was a doctor. >> he seemed like an i...

John supplied the opioids that killed his own addicted brother. he was alone with his sick father when the old man died rather suddenly. john wasn't charged in those cases, but there were others, said luken, and as the years went on, he developed a certain criminal specialty. >> he would go on dating websites and he would find women that usually had good financial backing. he always told people he was a doctor. >> reporter: he seemed like an ideal catch, i suppose. >> yes. >> reporter: for a lot of these women. >> he was a true conman. he'd take their money and when they would find out about h...

The ladies. >> reporter: luken discovered darker secrets as well. john supplied the opioids that killed his own addicted brother. he was alone with his sick father when the old man died rather suddenly. john wasn't charged in those cases, but there were others, said luken, and as the years went on, he developed a certain criminal specialty. >> he would go on dating websites and he would find women that usually had good financial backing. he always told people he was a doctor. >> reporter: he seemed like an ideal catch, i suppose. >> yes. >> reporter: for a lot of these women. >> he was a true ...