Credit: The Pennsylvania doctor charged with illegally bringing weapons and ammunition to the Trump International Hotel, in D.C., last month pleaded not guilty Thursday in a hearing that revealed he has a history of mental health issues.

Possible psychiatric evaluation for man accused of bringing guns to Trump hotel

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Capitol Police arrest 43 protesters at ‘die-in’ in Senate office building

Cool air to begin blowing again at Dupont, Farragut North stations

Comet Ping Pong gunman Edgar Welch sentenced to 4 years

Supreme Court upholds convictions in brutal 1984 DC murder