Yellow Cab Co. v. Carmichael

(After stating the foregoing facts.) A common carrier of passengers for hire is bound to use extraordinary care and diligence to protect them, in transit, from violence or injury by third persons; and whenever a carrier, through its agents and servants, knows, or has opportunity to know, of a threatened injury to a passenger from third persons, whether such persons are passengers or not, or when the circumstances are such that injury to a passenger from such a source might reasonably be anticipated, and proper precautions are not taken to prevent the injury, the carrier is liable for damages…