afghanistan. the wounded troops were evacuated for treatment. an afghan soldier opened fire on these coalition troops there. currently there are about 8400 u.s. troops in the country, and this week president trump gave defense secretary james mattis full authority to send more troops to afghanistan. i want to bring in elise lab bat. this is a string of attacks where they ve opened fire and the second one, in fact, in a week. what s going on? reporter: ana, in effect you seem to have these infiltratori. the taliban, we don t really know about the afghan command joe that was accused of shooting the soldiers today that the afghan police said the afghan government said that he shot these soldiers today, but last week in the kandahar province, as you mentioned, three soldiers