... "I'm having thoughts. I've been having them for a long time. I'm from California. I came over here to act on them."

He then said he'd just flown there, took a taxi to Kavanaugh's home and admitted he had a gun with him ... which was unloaded and locked in a case inside his black suitcase.

After they arrested Roske, cops say he told them he was upset about the leaked Supreme Court opinion to overturn Roe v. Wade, as well as the mass shooting in Uvalde, TX.

the 26-year-old was booked for attempted murder.

FULL 911 CALL at link
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