Faull was killed after four of 11 dogs belonging to McAfee were fatally poisoned, said Wired Magazine Contributing Editor Joshua Davis, who said he had spent more than 100 hours with McAfee in recent months.

CNN: STORY HIGHLIGHTS

Joshua Max Davis, president and founder of Spirit of Women, which offers marketing services to hospitals and pharmaceutical companies, said he bought Facebook shares in the past few months through a family member who acts as a broker on secondary market trades.

WSJ: Hot Item: Pre-IPO Facebook Shares