"48 Hours: Feds Capture Kaitlin Armstrong with Yoga Teacher Ad"
Kaitlin Armstrong, convicted in the love triangle murder of cyclist Anna Moriah Wilson, was caught by US Marshals in Costa Rica after responding to a phony ad for a yoga instructor, placed by the feds. Armstrong had altered her appearance with plastic surgery and used multiple new names to evade authorities. She was found at a hostel and brought back to Texas, where she is serving a 90-year sentence for the murder.