A woman who's lies meant men were jailed for rape, a paedophile who worked on children's films and predatory sex offender were among those locked up in August.
We've revisited the work of the criminal justice system and the police in putting offenders behind bars throughout the month.
A manipulative liar jailed for false rape and sex assault allegations against 15 men
Jemma Beale, 25, of Bedfont, claimed she was seriously sexually assaulted by six men and raped by nine, all of whom were strangers.
Branded as a 'manipulative liar' by a judge, she was jailed for 10 years for living a life that had become a "construct of bogus victimhood".
In sentencing on Thursday August 24, Judge Nicholas Loraine-Smith said: "This trial has revealed, what was then not obvious, that you are a very, very convincing liar and you enjoy being seen as a victim."
'Pied Piper' paedophile behind bars for sexually abusing boys and girls
This paedophile, who worked in film and television, was jailed after he "manipulated children into gratifying his sexual desires".
He had worked on children's film The NeverEnding Story and Little Shop of Horrors as special effects artist.
DI Angela Craggs, of the Met's Child Abuse and Sexual Offences Command, said: "David Trainer preyed on and abused young children, and exploited the trust placed in him by the parents of the victims in the worst way possible."
'Predatory sexual offender' used app to target vulnerable nine-year-old girl
This paedophile used an app that is extremely popular with children - 'Live.Me' - to incite a young girl into sexual activity.
Glen Friend, 28, from the Walthamstow area but of no fixed address, was sentenced to four years behind bars on Monday August 14 at Snaresbrook Crown Court.
Police arrested Friend as he left prison on Friday August 4 after an intelligence-led operation alerted officers to his engagement with a young female on the app.
He had been behind bars serving time for breaching sex offender notification requirements.
Sexual predator who told victim 'it’s the least you can do for me' after he paid for a TAXI jailed
This entitled man sexually assaulted a woman while she slept and then said "it’s the least you can do for me, I paid for the taxi" after she woke up.
Jeetender Singh, 41, insisted on helping his 22-year-old victim before attacking her while she slept in her home in North Kensington.
He was jailed for five years and placed on the sex offenders' register indefinitely at Blackfriars Crown Court on Wednesday August 9 after a jury found him guilty of assault by penetration.
Detective Sergeant Paula Hill, from the Met’s Child Abuse and Sexual Offences Command, said: “This was a serious sexual offence committed with some element of planning by the defendant.
“Singh completely took advantage of a vulnerable female after a night out in central London."
Life in prison for illegal immigrant who bludgeoned 'kind and gentle' carer to death in Hyde Park
Egyptian national Hani Khalaf violently attacked a carer in Hyde Park and left him for dead.
An Old Bailey judge recommended on Thursday August 24 that he spend a minimum 26 years in jail for the murder of Jairo Medina on August 11 last year.
As Mr Medina lay dying on the ground, Khalaf stole his rucksack and fled the scene. He rifled through the bag, emptying and dropping a wallet as well as taking a mobile phone.
Three men jailed for murdering a Wembley student after a dispute over a "dirty look"
Three men from Colindale were jailed after stabbing a university student in the chest, piercing his heart, over a "dirty look".
Mukeh Joseph Kawa, 21, of Lancaster Close, and Donald Davies, 21, of Martlesham Walk, were convicted of the murder of 19-year old Djodjo Nsaka.
They were sentenced on Thursday (August 10) at the Old Bailey to life imprisonment, with a minimum of 26 years.
Ali Tas, 20, of Eagle Drive, Colindale, was convicted of manslaughter and jailed for seven-and-a-half years. He had been acquitted of murder.
The three defendants pulled up in their car at Middlesex University and attacked the victim and his two friends.
Djojo was stabbed and witnesses saw him collapse at the scene before the defendants got into their car and drove away.
Spice dealers jailed in crackdown on 'vile' Class B drug
Drug dealers were sentenced for a total of more than seven and-a-half years as part of a police crackdown on the supply of the drug Spice in Westminster.
During the arrest phase of the operation on June 27, officers targeted drug dealers who mainly operate in the Charing Cross area, supplying spice predominately to people that are homeless.
Westminster’s Borough Commander Chief Superintendent Peter Ayling said: “Spice wreaks havoc on users and causes great concern within the community.
"The substance has become prevalent within the homeless community where dealers prey on some of the most vulnerable within our society."
BMW salesman helped accomplice steal luxury cars worth more than £200,000
Michael Daniels, 40, abused his position as head of sales at BMW Berry, in Chiswick, to access customer addresses on a database and passed them on his accomplice.
Daniels, of Courtfield Road, Ashford, Surrey, was given five years and three months behind bars after he was convicted of conspiracy to steal motor vehicles.
He gave Alex Tingle, 28, of Claremont Road, Ealing, and his accomplice, Vincent Murphy, the spare keys to the brand new luxury cars his dealership had just sold so they could drive to the address with a spare set of keys, unlock the car and calmly drive off.
One of the victims missed the birth of his daughter as he was unable to make it to the hospital after their car was taken on Christmas Eve.
Tingle admitted conspiracy to steal motor vehicles and was jailed for two years.
Murphy was jailed for 16 months earlier in the year after admitting to aggravated vehicle taking.
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