The motorcyclist who shot helmet-cam video of the incident has been questioned by police, who seized the raw video of the incident from his home in Bellport, on Long Island. An edited version of the video, which authorities say ended moments before Lien was pulled from his vehicle, had been posted on the Internet.
SUV driver acted 'to protect the lives' of his family
Lien was treated at a hospital for slashes to his face.
The family was on an outing to celebrate the couple's wedding anniversary, Lien's wife said Thursday in a written statement.
"My husband was forced under the circumstances to take the actions that he did in order to protect the lives of our entire family," she said.
"We know in our hearts that we could not have done anything differently, and we believe that anyone faced with this sort of grave danger would have taken the same course of action in order to protect their family."
It was Lien's wife who made the last of three 911 calls the family placed during the incident, CNN has learned.
New video emerged Thursday showing bikers riding on sidewalks before Sunday's rally. It prompted state Sen. Adriano Espaillat, D-New York City, to call for stricter enforcement of traffic laws.
"I don't see why you can have 500 motorcycles that are doing wheelies and that are out of control stopping traffic, totally stopping traffic in the highway or in some streets and doing whatever they want," he told reporters about the video, which his office released.
Bikers have called for Lien to be charged.
"That wasn't fear, that was aggression -- he ran over three bikes," a man who identified himself as Jose told reporters Thursday night. "Are we saying, if you feel nervous you can kill somebody? You can paralyze somebody? I think we need to charge him immediately."
Another biker called for cool heads to prevail. "We are not here to blame anyone, we are not here to point any fingers," Albert Elkerson said. "The true question is how could we have avoided what happened last Sunday, and what can we do to prevent that."