Silent Witness - Season 13 (2010)

A crazed shooter goes on the rampage at the university campus where the Lyell Centre is situated.

Ruth Gardiner falls to her death from a squat in a high-rise block and Leo - unlike D.I. Neill - realises that she was murdered though Neill seems reluctant to launch a public appeal. Ruth's father tells Leo she left home two years earlier, he assumes to join a cult, but had phoned recently to say she was retuning to him.Reading of the death car salesman Phil tells his girlfriend Danielle that he is an undercover cop working with Ruth - who was staking out a resident in the flats. Danielle meets with Leo, telling him Neill is corrupt and anxious to shut down Phil's ...

Carmody goes on the run and Danielle is killed. The same man's DNA is found in her flat as on Ruth's corpse. Leo's partner Janet persuades him that Neill is not dishonest and Neill discovers that Carmody is a car salesman working with Webb. A failed police college entrant some years ago, he has persuaded his wife and mother - as well as Ruth,Danielle and Webb - he is an undercover cop though when Janet interviews his mother she says that he was a fantasist since childhood. Clearly he is a loose cannon, rubbing out those who discover his secret and must be found. Harry...

The team attend at the apparent suicide of student Jason Renfrew at the local university. The Dean tells Leo Jason complained to her about racist bullying and he is found to have swallowed a chip containing photos of the alleged bullies, as well as having a handgun in his locker. Soon afterwards a gunman goes on the rampage, killing several people including the policeman investigating Jason's death. Nikki and Harry are trapped in a classroom with some students, one of whom, the mortally wounded Matt Frisk, was one of Jason's tormentors. Commander Somerville leads the ...

Harry suspects that Scott Weston, the injured gunman, was shot by another person and it becomes obvious that two guns were used in the massacre. Scott's mother tells Dean Mears that Scott and Jason were good friends, Scott looking out for the more fragile Jason. Meanwhile Nikki is held prisoner in the deserted mortuary by unbalanced Neil Corrigan, who appears to have planned the massacre with Jason - who chickened out and killed himself - and then framed Scott. Ultimately video evidence reveals what actually happened, as well as locating the bomb.

The pathologists travel to South Africa, Nikki Alexander's childhood country. Nikki has been there for a short while and with the help of a now imprisoned official from the former regime, they've uncovered the grave of five activists who were eliminated. The problem is that they find a sixth body in the grave. Nikki is also developing feelings for the man who has hired her. Meanwhile, Harry is working with a local pathologist investigating the murder of a young girl. Leo is a bit late in arriving as he was trying to help a young girl who had requested asylum in the UK...

Nikki thinks that the sixth body is that of the long missing son of her former nanny, whom she goes to visit. Harry accompanies Sara and her policeman husband as they recover the dead body of Nyasha, killed as an 'example' whilst Daya is returned to the sinister orphanage. Mandisa, the official who took Kudzai there, tells Leo it is a safe haven but it is really a brothel,trading in illegal immigrant girls with no families and the two girls found in the harbour were killed there by brutal patrons and then dumped. Leo leads the police to the brothel and the girls are ...