Motive, ability and some telltale clues, say cyber security experts both inside and outside the U.S. government.
A man claiming to have carried out the attack turned himself in to police, state broadcaster NHK reported.
For most of his career as a public figure, Michael Jordan has taken heat for not being outspoken enough on politics and social justice issues.
Craig Hutchinson was a 32-year veteran of the Travis County Sheriff's Office who was set to retire this September.
The so-called Sand fire keeps growing — it's at more than 33,000 acres so far — fueled by dry brush, soaring temperatures and winds.