Following a weekend full of conservative attacks on Hillary Clinton at the Conservative Political Action Conference, former Texas Governor Rick Perry added to the list, questioning the former secretary of state’s “loyalty” in an interview that aired Sunday.

Responding to news that the Clinton foundation had not notified the State Department when it previously accepted a donation from a foreign nation, Perry argued that Clinton was disloyal.

“I think it falls flat in the face of the American people when it comes to, are you going to trust an individual who has taken that much money from a foreign source? Where’s your loyalty?” Perry said in an interview that aired on CNN’s “State of the Union.”

Close video Clinton Foundation donations under scrutiny Donations given to the Clinton Foundation by foreign governments during Hillary Clinton’s tenure as Secretary of State are under scrutiny. Politico’s Josh Gerstein joins to discuss. Donations given to the Clinton Foundation by foreign governments during Hillary Clinton’s tenure as Secretary of State are under scrutiny. Politico’s Josh Gerstein joins to discuss. share tweet email Embed

The donation – from Algeria – was for $500,000 and came right after the Haiti earthquake. All of the funds were distributed for relief there. The Clinton Foundation is a nonprofit that focuses on issues like economic and leadership development and health security. Since 2010, they’ve raised a total of $36 million for Haiti efforts.

“Are you going to trust an individual who has taken that much money from a foreign source?” Perry asked.

The foundation acknowledged they should have alerted officials about the donation from the country.

“As the Clinton Foundation did with all donations it received for earthquake relief, the entire amount of Algeria’s contribution was distributed as aid in Haiti,” the statement said. “This donation was disclosed publicly on the Clinton Foundation website, however, the State Department should have also been formally informed.”

But Perry said Americans will question this.

“I’m really concerned that – not just going forward—but what has been received at the Clinton Foundation over the course of the years and how that affects this individual’s judgment,” Perry said.

Perry is actively exploring a second presidential bid; he joined the crowded Republican field and spoke at this weekend’s Conservative Political Action Conference, but Perry barely registered on the event’s straw poll, earning just 1.1% of the votes.