Three Conservative Senators are meeting with Trump administration officials in Washington today to talk about Canada’s plans to legalize cannabis.

The trio – Sens. Claude Carignan, Denise Batters, and Pierre-Hugues Boisvenu – said in a joint statement that they were dissatisfied with explanations from top bureaucrats and Liberal cabinet ministers testifying on how legalizing cannabis will affect Canadians at the border travelling to the United States. So they travelled south to find answers.

The Canadian senators met with U.S. Attorney General Jeff Session, along with officials from the Department of Homeland Security, and U.S. Customs and Border Protection, among others.

Carignan said border issues are important and shouldn’t be ignored by the government.

“When we ask questions of the Canadian government, we receive unclear and vague responses which do not satisfy us,” he said. “Our role as legislators is to measure all the impacts of bill C-45, and that is what we are doing today by meeting with senior officials of the U.S. Department of Homeland Security.”

Each of the senators sits on the Senate’s Legal and Constitutional Affairs committee.

The Trudeau government’s cannabis legalization legislation is currently being studied by several Senate committees.

The Liberal government has said it plans to legalize recreational cannabis this summer. A third reading vote in the Senate is set on or before June 7.