Alleged Call Girl Faces Manslaughter Charges

Alix Tichelman is suspected in the death of a Google executive after she allegedly gave him a fatal dose of heroin.
2:05 | 07/11/14

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Transcript for Alleged Call Girl Faces Manslaughter Charges
Okay, thank you, you two. The case of a wealthy Google executive killed by a high class call girl allegedly by a drug overdose. Now they're investigating whether she killed another man who died in a strikingly similar fashion. Linzie Janis has that. Reporter: Investigators on opposite sides of the country are looking into this woman, 26-year-old Alix tichelman, searching for evidence that she may have killed not one, but two men with fatal doses of heroin. A felony, that's manslaughter. Reporter: Tichelman an alleged call girl is already behind bars facing manslaughter charges in the death of 51-year-old Forrest Hayes found dead of a heroin overdose. Police said they found surveillance footage from his yacht which shows tichelman help inject himself and he experiences medical complications and passes out on the floor. Police say instead of calling 911 tichelman collects her Thi things including the heroin and needles. She at one point stepped over the body to grab a glass of wine and finished the glass of wine. Reporter: And now investigators near Atlanta are re-examining another case, wondering if tichelman might be responsible for the death of 53-year-old dean Riopel who died of an overdose, a deadly mix of heroin, oxycodone and alcohol two months before Hayes' death. At the time it was ruled accidental. We'll go back and look at it and make sure that everything that we determine to be correct almost a year ago is still factual and still accurate. Reporter: Back in California, tichelman is facing a flurry of charges in addition to manslaughter including destroying evidence. Tichelman has not yet entered a plea. Police say that after Hayes' death tichelman allegedly did online searches about how to defend herself legally after administering a lethal dose of heroin. All right. Thank yoyou.

This transcript has been automatically generated and may not be 100% accurate.

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