Turner was charged with murdering Ms Washington's six-and-a-half month old foetus in 1989, but was not charged with killing Ms Tripplett's unborn child.
Turner becomes one of Los Angeles' most notorious killers, joining the so-called "Freeway Killer" William Bonin, who was convicted of 14 murders and "Night Stalker" Richard Ramirez who was found guilty of 13 slayings.
DNA from that case linked Turner to the murders, which were carried out between 19.
Prosecutors said two of Turner's victims, 27-year-old Regina Washington and 29-year-old Andrea Tripplett, were pregnant when murdered.
His mother was murdered when he was 10 years old, her body dumped on the side of the road.
After 36 years of “running from her ghost,” he decided to look into it.
A former pizza delivery man described as one of the most prolific serial killers in Los Angeles history after being convicted of 11 murders has been sentenced to death.
Upon his release he eventually embarked on a killing spree where he targeted young girls from his home country, Peru and Ecuador.Los Angeles Superior Court Judge William Pounders dismissed a defense motion for a new trial, as well as a request to reduce the jury's recommendation in May of a death sentence to life in prison without the possibility of parole.During the trial, prosecutor Bobby Grace said Turner was "perhaps the most prolific killer in the city of Los Angeles." Turner was caught after being arrested for rape in Los Angeles' homeless district in 2002.In 1980, he was apprehended in Ambato and ultimately charged with 110 murders, for which he plead guilty.Despite the scope of his crimes, he only served 14 years before being deported to Colombia, where he was institutionalized and then set free. Pedro Alonzo Lopez was born on October 8, 1948 in Santa Isabel, Colombia.