TV Guide Investigation Discovery Monday

The case of Joyce Alexander, who was terrified of her son William Patrick, fearing he held her responsible for a horrifying crime he had carried out. Twenty-five years on, she became convinced he was plotting his revenge from prison

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Britney Cosby and her girlfriend Crystal Jackson were looking forward to spending their future together. After their brutal murder in 2014, everyone around them became a suspect. Eventually Britney's father James Larry Cosby was found guilty of the crime, his apparent motive being that he didn't like the fact his daughter was gay

The murder of 47-year-old Miriam Illes, who was shot through her kitchen window in January 1999. Her estranged husband Richard had a strong alibi, but suspicions remained and prints found in the snow from basketball shoes proved damning

When twentysomething Patricia Richmond was found tied up and murdered in her future in-laws' home, detectives in the resort town of Steamboat Springs, Colorado were at a loss. Who would have taken this bride-to-be's life in such a brutal way?

The murder of Frank Rodriguez, orchestrated in September 2000 by his wife Angelina who hoped to collect $250,000 from his life insurance. At first the cause of death was inconclusive, but as a cause was required to collect the money, Angelina claimed to have received an anonymous phone call advising her Frank had been poisoned with antifreeze. When it was proven no such call had been received and an autopsy verified the details as correct, it became clear she had incriminated herself

How a quiet rural town was rocked when two middle school girls went on a hike and were later found murdered. When police discovered one of the girls may have recorded her killer with her cellphone, the race was on to find the killer

The murder of Frank Rodriguez, orchestrated in September 2000 by his wife Angelina who hoped to collect $250,000 from his life insurance. At first the cause of death was inconclusive, but as a cause was required to collect the money, Angelina claimed to have received an anonymous phone call advising her Frank had been poisoned with antifreeze. When it was proven no such call had been received and an autopsy verified the details as correct, it became clear she had incriminated herself