PAX DRINKING AND ASSOCIATED BOMB THREAT.

Narrative

20 MINS AFTER TKOF #1 ADVISED ME OF LAST 4 BOARDED PAX CAUSING SOME PROBS. UPSET FLT ATTENDANTS CUT OFF LIQUOR. APPEARED TO HAVE HAD TOO MUCH. ALSO CAUSED SOME PROBS DURING BOARDING BY TRYING TO OCCUPY 2 FIRST CLASS SEATS. COMPLAINED WHEN MOVED TO COACH. 10 MINS LATER FO WENT TO BACK AND RETURNED SAYING FLT ATTENDANTS WERE STILL DEALING WITH SAME 4 PAX. STILL COMPLAINING ABOUT SEATS AND LIQUOR. OTHER COACH PAX WERE COMPLAINING ABOUT THEIR CONDUCT. BEFORE STARTING DOWN #1 SAID THAT 2 OF THE 4 WERE QUIET BUT THE OTHER 2 WERE STILL COMPLAINING. THEIR CONDUCT HAD UPSET SOME COACH PAX. THEN TOLD ME THAT A FIRST CLASS PAX THEY ORIGINALLY SAT BEHIND OVERHEARD 1 MAKE A COMMENT ABOUT HIS BOMB AFTER THE ELECTRONIC PA. I ASKED IF FIRST CLASS PAX COULD IDENT. SAID 1 WITH A RED HAT AND 1 WITH PONY TAIL. REQUESTED SECURITY ON LNDG. DURING DEPLANING SEVERAL COACH PAX COMPLAINED ABOUT THEIR CONDUCT. FIRST CLASS PAX IDENTED 2/OTHER 2 WALKED OUT WITH DEPLANING PAX. FIRST CLASS AND COACH PAX LEFT WITHOUT GIVING THEIR NAMES WHILE POLICE QUESTIONED OTHER 2. POLICE RELEASED 2 WITH WARNING. AFTERWARD WHILE TALKING WITH FLT ATTENDANTS LEARNED WERE BOARDED UNDER THE INFLUENCE AT LAST MIN. GATE AGENT APPEARED TO KNOW THEIR CONDITION BUT DID HURRY UP JOB OF ON/OFF ACFT. THEY WOULD NOT HAVE BEEN ALLOWED ON IF I HAD KNOWN. RECOMMEND GATE AGENT BE RETRAINED ABOUT PAX AND ALCOHOL. I HAVE ALREADY TALKED WITH FLT ATTENDANTS.