Part 3/5:
The breakthrough in this case can be attributed largely to modern DNA testing techniques. Collaborating with a DNA testing company, authorities were able to confirm the relationship between Andrea and her father, establishing contact between them for the first time in over 20 years.
The identity of Andrea's father remains undisclosed, as he has requested privacy in this sensitive situation. However, it is known that he had desperately sought contact with his daughter and had traveled to Mexico on several occasions in hopes of finding her.