Dorie S News Today

I had my dogs leashed and next to me, just sitting there, ready. god forbid he comes through that door, im ready. >> reporter: derek never showed, so dorie fled to her brothers ranch. >> and while i was out there, i started digging into my finances. >> reporter: dorie searched her accounts and there it was, derek had drained her checking account and charged thousands on one of her credit cards. >> in total $19,800. the only thing i can put together is i went upstairs. you know, he snapped a pict...

Really good about himself. >> like a princess. >> yeah. made me feel really good. >> reporter: but she says richie the romantic also had a dark side. >> he would just, you know, whether it be kick the wall, kick my bookcase, kick something. flip something off the coffee table, but i always made excuses for it. >> reporter: the dramatic end came the day richie left behind an ipad he had borrowed from dorie. >> i pick it up. i flip it open and everythings different on the front page. >> reporter: ...

In and he did a photo lineup. picked him out immediately. so that was for me an airtight case. we could go ahead and get a warrant and get him into custody before he ran. >> reporter: but there was something else she needed to do. of all the stuff hed left behind at dories, one thing stood out. >> he also had a badge from the ncis, naval criminal investigations. it looked to me like a legitimate badge. >> reporter: so she reached out to ncis and showed that badge to a real agent. when he compare...

>> reporter: during the game, dorie says richies phone buzzed an urgent call from the pentagon. he told her they were asking for his expertise on north korea. >> the north korean crisis started right around that time. there was a senate hearing committee that he was gonna have to go down and present his opinion. >> reporter: are you thinking, "wow, this guys really high level?" >> yes. i was impressed. >> reporter: later on, she saw his uniforms, those medals, all kinds of military awards. >> re...

Assured dorie she would make sure he didnt get away this time, unlike many detectives before her, she understood this wasnt about scorned women out for revenge. >> i took it probably a little more personal than other cases i would have, just because, you know, you could see the trail that he left of just destruction. >> reporter: and heres where dorie did something that would prove crucial to the case. >> weve gotta stop him. weve got to do something different that hasnt worked before. >> report...

Ive never gone out in public and, you know, gotten free stuff or free drinks or free dinners or -- >> tickets to baseball games -- >> tickets to baseball games -- >> --or concerts or -- >> --or concerts, no. nothing. >> nothing? okay. >> never. >> reporter: once again, they had evidence. >> you had these credentials here. and you had this navy -- >> oh. this is -- yeah, okay. >> you know what im talking about, right? >> yeah. >> okay. and so this is a common access card. >> you can buy em off of...