At some point during the confrontation, Officer Van Dyke opened fire, shooting the boy 16 times.
The shooting triggered widespread protests in Chicago, a city already struggling with soaring murder rates. Before he got there, McDonald had reportedly swung his knife at one witness, who had called 911. He continued to be shot when he fell to the ground.
The verdict in Chicago is among the exceptions - and the second time in recent months that a jury has convicted a police officer in a controversial shooting. Mr. Van Dyke headed to the scene with his partner on October 20, 2014, after hearing a report of someone with a knife stealing vehicle radios and popping an officer's tire.
After less than two full days deliberating on three weeks of testimony, jurors returned Friday with 17 guilty verdicts and one acquittal.
One said Van Dyke needed to "contain the situation, not escalate it".
Defense attorney Dan Herbert called Van Dyke "a sacrificial lamb" offered by political and community leaders "to save themselves".
James Thomas O'Donnell, a pharmacologist who testified in the trial, said that someone with as much of PCP in his system as McDonald had in his bloodstream could have a "feeling of omnipotence", according toThe Associated Press.
Van Dyke, who was also found guilty of 16 counts of aggravated battery with a firearm, sat impassively in a dark suit - his shoulders slumped - as the verdicts were read in the high-profile case.
The jury found Van Dyke guilty of second-degree murder, making him the first Chicago police officer to be found guilty of murder while on duty in nearly 50 years.
But, in a move not uncommon at IL murder trials, Judge Vincent Gaughan told jurors before they began deliberating that they could consider the charge of second-degree murder.
"Laquan McDonald was never going to walk home that night", she said.
"I'm really happy", Curtis said, "I really felt like if they had returned a not-guilty verdict I would have burst into tears immediately".
Video of the shooting led protests, a Justice Department civil rights investigation, criticism of the city's mayor and eventually the ouster of the police superintendent.
In September, ahead of Mr Van Dyke's trial, Mayor Emanuel announced he would not run for re-election.
Schools and businesses braced for potential unrest, and people across the city paused in the middle of the day to listen for the jury's decision. He added: "It shows a perspective, but it's the wrong perspective".
Police spokesman Anthony Guglielmi declined to provide additional information and would not say whom the threats were targeting, or if the threats are related to those received by Van Dyke's daughter on Thursday.
"The Chicago Police Department is standing with an officer we think acted as an officer", he said.
However, critics said numbers could go up as more skilled migrants would be allowed in as businesses would be handed more power. On the sidelines, the likes of the former foreign secretary Boris Johnson have been actively working against her.
In a follow-up tweet , the Yale Law Schooler lecturer wrote: "Those are fundamental values we try to instill in our students". Yes, Brett Kavanaugh was questioned by police in a bar fight, as per the New York Times .
It's comprised of a 12-megapixel (f/1.8) sensor, and a 5-megapixel (f/2.4) sensor, complete with ZEISS optics and dual-LED flash. The Nokia 7 .1 will open for preorders on October 5th in Europe and the United Kingdom , where it will be priced from £299.
Oakland and the Yankees hold the wild-card game Wednesday night in NY and the victor goes to Boston on Friday. Arenado homered twice and Charlie Blackmon hit for the cycle as the Rockies roughed up Washington 12-0.
According to the United Nations memo, they must submit proof of marriage by December 31, or leave the country within 30 days. Same-sex marriage is legal in only 25 countries, including the United States, according to Human Rights Watch .
With the Alexa Voice Remote , you can tap into the in-app voice control features on apps including Netflix, Hulu, and Showtime. The new Alexa Voice Remote brings with it the ability to control your TV and any AV equipment connected to it.
Young led the club during their Saturday's Premier League loss to West Ham while Herrera and Lingard had missed that game as well. Jose Mourinho has moved to defend his Manchester United players after suggestions that some of them didn't care.
This deal may attract economic sanctions from the US under CAATSA , since US President Donald Trump is yet to certify the deal. The meeting comes four-and-a-half months after the informal summit between the two leaders in the Russian city of Sochi.
Amid McConnell's remarks Wednesday night, Trump tweeted that there was "such enthusiasm and energy for Judge Brett Kavanaugh ". Dr Ford sat for a polygraph lie detector test in August and answered questions about the alleged attack, which she passed.
Northern Ireland has had no functioning government for almost two years, preventing the Assembly from sitting. However, she conceded that immigration policy could be affected by Britain's future trade deals.
Trump rallies GOP in Kansas after Kavanaugh's confirmation
I believe that she is a survivor of a sexual assault and that this trauma has upended her life. "I'm a patriot", another said. Both Republicans and Democrats expect the Senate's Kavanaugh decision will be a central theme in the midterm elections.
SC allows deportation of 7 Rohingyas to Myanmar
The seven were detained in 2012 and, since then, had been lodged at Cachar Central Jail in Assam's Silchar town. The order was passed by a bench comprising Chief Justice Ranjan Gogoi and Justices S K Kaul and K M Joseph.