Protesters, including Carol Lorento, center, gather outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. Organizers said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it.  (AP Photo/Charles Krupa)

BOSTON (AP) — They came bearing oversized images of the sons and daughters they lost to drug overdoses and signs demanding justice from the pharmaceutical company they hold most responsible.

The parents and their supporters rallied outside a Boston courthouse Friday as a judge heard arguments in Massachusetts' lawsuit against Purdue Pharma, the maker of OxyContin, over its role in the national opioid epidemic.

"Unless you've lost a child, you don't know what that pain is like," said Kathleen Scarpone, a New Hampshire resident whose 25-year-old son died of an overdose in 2015, just a few years after serving as a Marine in Afghanistan. "You wake up every day and your heart breaks a little. I don't want anyone to ever feel that."

Scarpone was among more than 100 people gathered in front of Suffolk County Superior Court through the daylong hearing. The group laid poster boards filled with photos of hundreds of Massachusetts overdose victims on the courthouse steps.

Some held signs saying, "Sack the Sacklers," referring to the wealthy family that owns Purdue Pharma and whose name is emblazoned across major institutions such as the Smithsonian, Guggenheim and Harvard from years of philanthropy.

Organizers also sent letters to state attorneys general calling on them to dedicate all money recovered from opioid makers into addiction prevention efforts, substance abuse treatment and recovery support programs.

"They need to see the families," Cheryl Juaire, a mother from Marlborough, Massachusetts, whose 23-year-old son died of an overdose in 2011, said of company officials and the Sackler family. "They need to be held accountable for the deaths of our children."

Members of the Sackler family weren't present Friday as lawyers representing the company, former executives and family members argued that Massachusetts Attorney General Maura Healey's lawsuit should be dismissed.

The suit is among more than 2,000 by state and local governments pending against Purdue Pharma and other opioid makers.

Lawyers for the numerous defendants in the case said Healey, a Democrat, has distorted facts and made oversimplified claims in a bid to scapegoat the company and its leaders for an epidemic that's claimed more than 400,000 lives since 1999.

Purdue Pharma's lawyer Timothy Blank also argued in court the company should not shoulder all the blame for the current crisis.

He noted the Stamford, Connecticut, company produced only a small fraction of the nation's opioid medications while lower-priced generic drugmakers produced the lion's share. He also pointed to Massachusetts data showing that illegal heroin and fentanyl — not prescription opioids — are now the cause of most overdose deaths.

Lawyers separately representing former company board members, including members of the Sackler family, argued their clients shouldn't be individually held liable because Massachusetts hasn't shown evidence they had any direct role in the marketing and sales of Oxycontin in the state, as Healy's lawsuit claim.

State prosecutors countered that every board member was aware of the consequences of the company's efforts to make OxyContin the dominant prescription painkiller on the market.

They argued the company's sales and marketing teams pushed prescribers to keep patients on Oxycontin longer and at stronger doses — all the while falsely claiming it had low risk for addiction.

"Directors knew patients on higher doses were more likely to stay on the drugs longer and more likely to overdose and die," said Assistant Attorney General Sandy Alexander.

Superior Court Judge Janet Sanders is expected to decide on the legal motions to toss out the case later.

But at times Friday, she questioned the "ambitiousness" of Massachusetts' suit, which was the nation's first to name Sackler family members and company board members as defendants. Others have since followed the state's example.

"This is no ordinary board," Assistant Attorney General Jenny Wojewoda replied at one point. "Purdue is essentially a very large, very profitable family business."

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Follow Philip Marcelo at twitter.com/philmarcelo.

Massachusetts Attorney General Maura Healey, left, wipes a tear from the face of Wendy Werbiskis, of East Hampton, Mass., one of the protesters gathered on Friday, Aug. 2, 2019, outside a courthouse in Boston, where a judge was to hear arguments in state's lawsuit against Purdue Pharma over its role in the national drug epidemic. Organizers said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it. Werbiskis lost her son to an overdose two years ago. (AP Photo/Charles Krupa)
Protesters gather outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. Organizers said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it.  (AP Photo/Charles Krupa)
Protesters gather outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. Organizers said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it.   (AP Photo/Charles Krupa)
Protesters gather outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. Organizers said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it.  (AP Photo/Charles Krupa)
A skeleton of pill bottles stands with protesters outside a courthouse on Friday, Aug. 2, 2019, in Boston, where a judge was to hear arguments in Massachusetts' lawsuit against Purdue Pharma over its role in the national drug epidemic. The skeleton was created by Frank Huntley, of Worcester, Mass., from prescriptions he said he received while addicted to opioids. Organizers of the protest said they wanted to continue to put pressure on the Connecticut pharmaceutical company and the Sackler family that owns it. (AP Photo/Charles Krupa)