ABCNews -- A seventh suspect was arrested today in the brutal gang rape of a 15-year-old girl outside her homecoming dance last month. A 21-year-old man was picked up by heavily armed police at Richmond, Calif., home early today, according to Richmond Police Lt. Mark Gagan. A special tactical team was used to apprehend the suspect, according to Gagan, because the "brutality and severity of the crime" made him a "high risk suspect." He surrendered without incident. The suspect, whose name has not yet been released, is being held in lieu of $1.2 million bail and is being interrogated by police. According to Gagan, the individual's arrest warrant alleges rape in concert, sexual battery and penetration with a foreign object in concert. "You can tell by...