Recently, FBI and local law enforcement agencies descended on a home belonging to Thomas Pressburger in the 3700 Block of Farm Hill neighborhood in Redwood City. Authorities searched for evidence regarding the cold case of a California woman who disappeared twenty-seven years ago.
On Oct. 14, 1996, Ylva Hagner, 42, a software executive at Ixos in Belmont, was last seen leaving the office. Later, her car was found in San Carlos with the keys still in the ignition and her purse missing. At the time, investigators questioned Pressburger, her boyfriend, who worked as a computer programmer at the NASA Ames Research Center in Mountain View. However, they had no evidence linking Pressburger as a suspect, eventually exhausted all leads, and Hagner’s body was never found.
Now, FBI officials are using ground-penetrating radar focusing on Pressburger’s backyard to yield new evidentiary materials linking the suspect to the victim.
Officials are keeping mum about their progress due to the sensitivity of the case.
"Why does it take so much time to find a body? It's too long without knowing what happened to this woman," said Carolina Aburto, a babysitter working close to Pressburger’s residence, according to CBS News.
Hagner was a Swedish immigrant and was also studying for her master's degree at Stanford University at the time of her disappearance.
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