Previously, videos circulated on social media showing the suspects' arrest, with one seen trembling on his knees and confessing to orchestrating the attack.
Russian President Vladimir Putin said on Saturday that the four attackers responsible for the "barbaric terrorist act" had been "captured and detained."
Jerromy Brookes, 47, did not have a permit to handle or remove the serpent. He was trying to keep serpent away from a child care centre where his wife and their two daughters worked in early childhood education.