Exhibit A: Secrets of Forensic Science

A man who breaks into homes and lives in them while the owners are away has escalated his crimes to murder.

The murder of young track star Alison Parrott in 1986 is finally solved in 1999 when new DNA analysis techniques are available.

A house blows up, and a neighbourhood is destroyed. Racist messages are discovered in the remains of the house. Is this a hate crime or something else?

After a journalist campaigns for parole for a convicted murderer, she moves in with him. When she disappears, he is put under suspicion because of his criminal past.

A three-year-old girl named Emily goes missing from her Toronto apartment building. She is later found floating in a harbour and is covered in fibres. By analyzing the fibre evidence, investigators will solve the puzzle of who killed Emily.

A convenience store is robbed and the owner killed. Blood stain experts are called to interpret the blood spatter patterns on a ceiling tile.

When a man breaks into a house, he is confronted by the owner and stabs him to death. He leaves behind glove prints, but will these be enough to catch him?

Off the coast of England, a fisherman finds a body in his net. By tracing the dead man's Rolex, investigators can solve a case of stolen identity and murder.

When a woman is reported missing, it takes a couple weeks for police to realise that she is not just missing but possibly murdered. Can the killer be charged when the body cannot be found?

In 1974, this band of gentlemanly bank robbers from stole $700,000 in gold bricks from a storage warehouse at Ottawa International Airport . It was and still is Canada's biggest-ever gold robbery. The gang was eventually caught, but escaped before the end of the 70's. After escaping, all three moved to the and regrouped, beginning an incredible string of more than 50 bank robberies. Their MO gave the group their unique name - one member carried a stopwatch and would time their hold-ups based on the interesting supposition that if they weren't out of a bank in 90 seconds their chances of getting apprehended were mathematically higher. The "Stopwatch" story is a fascinating part of Canadian criminal history.

Two sisters are murdered in their home shortly before one was going to go off to college. It looks like the crime scene has been staged to cover a premeditated murder by making it look like a break-and-enter. Could the girls have been stalked?

Investigators misinterpret the evidence in a shooting, as it appears that the man has committed suicide. When the case is reopened, the murderer cannot be retried because of double jeopardy.

A man is denied entrance into the United States and sent back to Canada. Because the Canadian border guards are not armed, they let him go through unchallenged. A woman goes missing and another woman is killed in her home. A fingerprint is found on a piece of broken glass in the house. Can investigators catch the murderer before he strikes again?

A serial rapist in Louisiana is caught through geographic profiling.