Seven Chinese nationals are in federal custody after being caught trying to illegally enter Guam by boat. This is the latest report as Customs has investigated more than 150 illegal entry cases in the past two years.

Five men and two women traveled to Guam from Saipan separately by boat.

The Maritime Contraband Enforcement Team getting the first report Tuesday afternoon.

A woman caught on military property in Dededo led investigators to two others in distress on the reef outside the Haputo Beach area.

Customs spokesperson Alana Chargualaf-Afaisen told KUAM News, "Upon investigation, officers learned the female was dropped to Guam by a vessel originating from Saipan in violation of Guam customs entry requirements, and that a warrant was out for the woman’s arrest. She was apprehended by federal authorities for detention."

On Wednesday morning, investigators got a similar call leading them to a Chinese national spotted at the Tanguisson Beach area.

Customs spotting a second group within 24 hours.

"Further investigation yielded the discovery of three other males from the PRC found in the vicinity of a military installation as well," she said.

As of Thursday afternoon, authorities had yet to release the names of the seven who are now in federal custody.