The man wounded up to nine people in a knife attack at a mall in central Minnesota before he was shot dead by an off-duty police officer.
Jack Burkman says he wants to either confirm or debunk the conspiracy theories around the case.
Former deputy prime minister Boris Nemtsov was shot and killed in central Moscow in February 2015.
All five crew members are reported dead.
More than 260 people died during the attempted coup.
The Ukrainian government claims to have uncovered weapons used to kill over 100 pro-European protesters in 2014.
A soldier fired a single pistol shot when the escaped animal, despite being tranquilized, approached the soldier, the army said.
Love Field airport temporarily shut down after man vandalizes woman's car, charges police.
Violence in the West Bank is first fatal incident in three weeks.
Former New Orleans Saints player Will Smith's wife was injured in the shooting, which police say may have been road rage.
The Secret Service arrested Kyle Odom after he threw material over the White House fence.
The mayor of Vilnius speaks to Newsweek about honouring Nemtsov.
The bloodshed has raised concern of a wider escalation of bloodshed.
The concertgoer lived by playing dead as the attackers opened fire around him.
The announcement follows a lawsuit filed by the widow of Antonio Zambrano-Montes after three police officers in Pasco, Washington, fatally shot him on February 10.
Shootings and stabbings occur around the annual Caribbean celebration each year.
Results of official investigation showed Antonio Zambrano-Montes was holding a rock when he was killed.
The man was "just firing into the air" at a busy intersection.
Newly released police files indicate that Antonio Zambrano-Montes was not in his right mind when police fatally shot him in February.
The holiday weekend was violent in Chicago, where 12 people are believed to have died in shootings.