Delhi Police teams today scanned the JNU campus with sniffer dogs to search for clues that could help them trace missing student Najeeb Ahmed. The teams of Crime Branch reached the University campus this morning with sniffer dogs and conducted the search. <br/><br/>Last week, Delhi High Court had directed police to scan the entire JNU campus, including hostels, classrooms and rooftops by using sniffer dogs to search Najeeb. He has been missing for over two months. <br/>