Snow laughs after Katniss killed Coin because he enjoys the irony of the situation. He avoided the official execution ceremony, even though Panem's citizens still take their revenge on him, while Katniss ends up snatching away the victory and power that Coin thinks she has successfully secured.
While vindictive, he is always honest with Katniss, which helps her believe him when he explains that they have both been outmaneuvered by Coin. He dies choking on his own blood, a fitting death since the bleeding sores in his mouth were caused by the poison that he used to kill his political enemies.
It is likely that he is a relative of Hilarius Heavensbee. In the Mockingjay - Part 2, Plutarch appears to smile as he looks at Coin's dead body, suggesting that he approved of her death.
Katniss searches his eyes for signs of emotion but only finds amusement in them. She remembers that they did indeed promise not to lie to each other anymore, and she realizes that Snow wasn't lying to her about Coin's role in the parachute bombing.
President Alma Coin is the main antagonist of Mockingjay, the final novel of The Hunger Games trilogy. She is the president of District 13 and is very corrupt and in some ways worse than President Coriolanus Snow.
Snow can't stand to see a young woman betray a young man's affection—his view of what happened 65 years ago. And so he takes out his old, festering wound on Katniss.
This comes as a result of Lucy attempting to leave Snow during a rainstorm after they plot to flee the Districts, but she learns that he was responsible for killing Sejanus Plinth during the travels.
By killing President Coin, Katniss risked her safety in order to not only avenge Prim's death but also gift the people in Panem a chance to live in a peaceful and fair country for everyone. Katniss was incarcerated for a time, and she was sent back to District 12 after she was deemed unsuitable for a trial.
Prim was among the medics who arrived to treat the victims. Unfortunately, a second batch of bombs were set off, with Prim being killed in the explosions. Gale was not the one to drop the bombs from the hovercraft, but he was one of the key figures to devise the strategy of double bombings.
Answer and Explanation: Prim is killed by a bomb at the very end of the battle. Alma Coin sees an opportunity to turn the Capitol troops against Snow, and she decides the resulting loss of life from her plan is a worthwhile price to pay.
In the chaos that follows, a mob of long-oppressed and exploited people rushes toward Snow and kills him—a fitting end for his character. Yet, right before his death, after Katniss kills Coin, Snow breaks out into a fit of laughter.
Mockingjay only implies that there is a happy and peaceful period of time, but viewers don't know how this looks exactly. On top of that, there's not much about Gale, Haymitch, Effie, or even Peeta and Katniss. It makes no sense that the series doesn't fully show the world the characters were fighting for all along.
In the end, Spruce and Sejanus are hanged at the Hanging Tree; Snow feels responsible for Sejanus' death and is wracked with grief. According to Jacobson, Sejanus' death is a "defining moment" that is "essential" to Snow's transformation into the evil President Snow fans know from the original trilogy.
The films, trying to be as faithful to the source material as possible, naturally had to include Finnick's death as well. In this sense, Finnick is the perfect candidate for upping the stakes of the plot via his death, as his hope for a future with his partner Annie made his demise seem even more untimely.
According to the star behind Effie, Elizabeth Banks, she and Haymitch's Woody Harrelson improvised the scene. Considering she's been adamant about the characters having some romantic connection, it only makes sense that they'd share a goodbye kiss. It's very on-brand for Effie, as well.
At an unknown point in time years before the 74th Hunger Games, she was personally fired by Snow, the stated reason being due to her being too surgically enhanced.
In the movie, Snow and Baird develop a friendship as mentor and tribute after Lucy Gray saves Snow's life during an attack on Panem. After being sent to District 12 as a Peacekeeper in the aftermath of the 10th Hunger Games, Snow starts to deepen his relationship with Lucy Gray, which develops in a more romantic light.
True to his name, he's icy and has it out for Katniss after she forces the hand of the gamemaker into letting both her and Peeta win. Songbirds and Snakes reveals why Katniss' unwavering confidence in herself and her abilities is a particular thorn in Snow's side: they remind him of Lucy Gray.
Control: As the leader of Panem, President Snow wanted to maintain his power and control over the districts. Katniss became a symbol of rebellion and hope for many people, which threatened Snow's authority.
It was here that Snow first heard the mockingjays, taking up the tune after the jabberjays repeated Chance's last words, "Run, Lil, Run!" He took an instant dislike to the birds, an unnatural muttation of the Capitol-bred jabberjays.
