MALIBU (CBS) — Three men suspected of attempting to smuggle a boatload of marijuana are expected to appear in court Monday on federal drug trafficking charges.

Los Angeles deputies interrupted an overnight attempt Saturday to smuggle a half a ton of marijuana valued at $1 million ashore in Malibu, according to authorities.

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The seizure followed a tip from someone who spotted a panga boat, the kind often used by smugglers from Mexico.

The boat landed at Pirate’s Cove.

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Authorities called off the search for a fourth smuggler later Saturday.

They say it’s not clear if that suspect escaped or ever existed.

The boat was reportedly loaded with 40-50 bales of marijuana, police reported.

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» 3 Arrested, Half Ton Of Marijuana Seized During Panga Boat Bust In Malibu