. >> reporter: valerie mcdaniel, a successful veterinarian in town, recently divorced from her husband of 19 years, mack. meghan met valerie, mack, and their daughter when their marriage was falling apart. >> she would come over and have martinis. and she would be over a lot. we went to a couple nightclubs and things like that. seemed like a nice person. >> reporter: how did leon act around valerie? >> like it was anybody else. >> reporter: but that was then. on this day in court, meghan thought leon and valerie looked like a couple. she learned later that valerie even posted leon's bond, with this man, a bail bondsman named michael kubosh, who a couple of days later got an unsettling visit from leon. >> he shut the door behind him. >> reporter: was that odd? >> very odd. and he says, "i'm here because i wanna know one thing." >> reporter: leon asked the bail bondsman for help finding another client of his. leon said the client's name was zack. >> and i said, "well i don't know a zack. who you talking about?" he said, "you know him. he's ex-military, ex-cia. he's middle eastern." >> re

that'll get your attention. >>> was valerie mcdaniel a murderous mastermind? investigators suspected. or, another victim of leon jacob? >>> coming up -- >> i couldn't believe this was happening to my sister. >> what could have driven valerie to do this? she tells her story. and leon tells his when "twisted in texas" continues. n s and i'm still going for my best, even though i live with a higher risk of stroke due to afib not caused by a heart valve problem. so if there's a better treatment than warfarin, i'll go for that. eliquis. eliquis is proven to reduce stroke risk better than warfarin. plus has significantly less major bleeding than warfarin. eliquis is fda-approved and has both. what's next? sharing my roots. don't stop taking eliquis unless your doctor tells you to, as stopping increases your risk of having a stroke. eliquis can cause serious and in rare cases fatal bleeding. don't take eliquis if you have an artificial heart valve or abnormal bleeding. while taking eliquis, you may bruise more easily and it may take longer than usual for any bleeding