Joshua Ribera, aka Depzman, was a rising star in the UK's grime music scene. He had scored a number one hit on iTunes with his debut album before his 18th birthday. A few weeks later, he was murdered. His mum, Alison Cope, was able to grieve his death with his fans after many of them arrived at her house devastated by the news.

Image: Alison Cope

Antonio Ruiz Gomar was in a Mexican prison when he formed a rock band with fellow inmates. Los Segregados became so popular that they were allowed to tour while still serving their sentences. Clayton Conn reports from Mexico City.

Image: Antonio Ruiz Gomar with his drums

Offensive language has been bleeped since this audio was originally broadcast.

The Freedom Riders of 1961 rode public buses into the American South to protest peacefully for equality. These are some of their stories.

Image: Freedom Bus

Palaeontologist Jack Horner found the first dinosaurs egg in the Western hemisphere. Plus, he's served as the technical advisor for all of the Jurassic Park films. All this despite the fact that Jack was unable to finish his studies because of his severe dyslexia.

Credit Kevin Winter / Getty

Rohan Marley grew up in the shadow of a star: his father, reggae legend Bob Marley. When Bob died from cancer in 1981, Rohan went off the rails. He ended up skipping school and was eventually expelled. He got his life back on track and went on to become a star in American football. After embracing Rastafarianism, he left sport and ended up starting a coffee company in his native Jamaica.

Image: Rohan Marley

Ten years ago, the trial of Canada's most prolific serial killer opened in Vancouver. The case dated back to the 1990's when Detective Constable Lorimer Shenher was charged with investigating the disappearances of sex workers in the area. After several tip offs Lorimer became convinced that pig farmer Robert Pickton was the man responsible. But despite all his efforts he couldn't properly investigate Pickton, something that's haunted him for years. Some of the details that follow are disturbing.

Image: Robert Picton

Advertising executive Juan Carlos Ortiz grew up in the Colombian capital of Bogota, a country which has suffered decades of armed conflict and has long been among the major producers of illegal drugs such as cocaine. Juan Carlos ran a campaign against the addictive qualities of cocaine, and made powerful enemies of Farc guerillas who relied on the drugs trade. A few years later, Juan Carlos was asked by a Colombian army chief to get a secret message to hostages being held by Farc rebels in the middle of a jungle.

Image: Advertising executive Juan Carlos Ortiz

Raised a Black Panther child, Mary Williams found a new mum in celebrity, Jane Fonda.

Sharon Shattuck's family set up changed abruptly when her dad said he wanted to be a woman.

Image: Family Paper Chain

Geoff Ho has been called a hero after he put himself between the attackers and his friends during the London Bridge attacks. Although Geoff was stabbed in the neck and stomach, he survived the attack and tells Matthew Bannister about the events of that evening.

Image: Geoff Ho and his partner

Linda Phillips is transforming the lives of musicians. After her guitarist son took his own life, she decided to set up a suicide prevention centre for musicians in her home city Athens, Georgia. Outlook's Martin Matheny went to meet her.

(l) Nuci’s Place and (r) Linda Phillips