A state trooper arrested two Houston motorists Sunday after finding four migrants hiding in their trunks.

At 9:24 a.m. Sunday, a trooper stopped a black Ford Mustang and a black Lexus GS400 that were driving together on U.S. 281 north of Edinburg, according to a news release from the Texas Department of Public Safety.

When the trooper searched the cars, he found two men hiding in the Ford and two men hiding in the Lexus.

Border Patrol took custody of the four men, who weren’t legally present in the United States.

Troopers charged both motorists — Jesus Gabriel Valle, 18, of Houston and Taylor Lee McCarty, 19, of Houston — with human smuggling for financial gain, a third-degree felony.

Both McCarty and Valle remained at the Hidalgo County jail on Monday and couldn’t be reached for comment.