A lawyer for the family of the last person killed in the Nova Scotia mass shooting says it seems the “petty feud” between RCMP and municipal forces impacted how the tragedy unfolded, and how many lives were lost.

Jane Lenehan, who represents the family of Gina Goulet — the final victim killed late in the morning of April 19 in her Shubenacadie, N.S., home — gave a final oral submission before the Mass Casualty Commission on Wednesday in Truro, N.S., alongside other lawyers.

“We don’t care who started it,” Lenehan said. “It’s been astounding to learn that this petty feud between the RCMP and