Russian oligarchs: Two gas executives and their families found dead within 24 hours

[Davmic]

Russian oligarchs: Two gas executives and their families found dead within 24 hours

Investigators say it's unclear whether two Russian gas executives were in contact before they, along with their families, were found dead within 24 hours. CNN's Brian Todd reports.

Source: Russian oligarchs: Two gas executives and their families found dead within 24 hours