Wisconsin officials will seek to charge a driver who ploughed into a Christmas parade on Sunday with five counts of intentional homicide.
Police said Darrell Edward Brooks Jr, 39, killed five people, aged between 52 and 81, and injured 48 others, including young children, in Waukesha.
Mr Brooks was fleeing a domestic disturbance when he mowed into the crowd, they said.
They added he could face further charges based upon their investigation.
Waukesha police also said the incident was not an act of terrorism.
Several school children and grandparents were among the victims.
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The victims named on Monday were:
Mr Wilhelm Hospel, 81
Ms Virginia Sorenson, 79
Ms LeAnna Owen, 71
Ms Tamara Durand, 52
Ms Jane Kulich, 52
They include members of the Milwaukee Dancing Grannies, who are a regular fixture in the city’s parades.
“Our group was doing what they loved, performing in front of crowds in a parade putting smiles on the faces of all ages, the group wrote in a statement on Facebook. ;Those who died were extremely passionate Grannies.
Dozens of people remain in hospital. Police said the injured were taken to six area hospital by first responders as well as other residents who were are the parade.
Eighteen children were admitted after the incident, the Children’s Wisconsin Paediatric hospitals told reporters on Monday