Fact-checking the O.J. Simpson miniseries: Are the key players true to life?

There's a lot to unpack from the first episode of the FX miniseries "American Crime Story: The People v. O.J. Simpson," which premiered earlier tonight. The horrific crime. The hair. The Kardashians.But the biggest question is: How closely does Ryan Murphy's take on the Simpson trial -- based on Jeffrey Toobin's 1996 book, "The Run of His Life: The People v. O.J. Simpson" -- compare to the actual events?