On Friday, the Comptroller General’s Office announced it would initiate a special review into the acquisition of inadequate body armor for the country’s military.

News of the review comes after local magazine Caretas published an article detailing the purchase of bulletproof vests for armed forces fighting the in the jungle area known as VRAE.

According to Caretas, last month Defense Minister Luis Alberto Otárola ordered the recall of 1,000 vests, which lacked re-enforced steal plates. The vests were ordered from a U.S. company, and were shipped to Peru last year.

The magazine said the armed forces were currently looking into the possibility the inadequate equipment could have caused the deaths of military personnel, like Captain German Parra, who was killed in Ayacucho in February after a bullet pierced his vest.

According to El Comercio, the Comptroller’s review will determine if there were any irregularities in the purchase, assembly and distribution of the body armor.