In 2018, then 25-year-old Rikki Henderson—of Bridge Street, Strichen, Aberdeenshire—avoided a prison sentence after being convicted of accumulating a “sickening collection” of child abuse images and violating a woman’s privacy. The investigation established that Henderson held trusted positions as a former police officer and an officer with the Army Cadet Force in Boddam, near Peterhead. The prosecution reported at Aberdeen Sheriff Court that images of children as young as eight engaged in sadistic sexual activity were found on his smartphone, identifying a total abandonment of human decency and a grave strike against his professional oath.
The investigation established that in June 2017, police used special forensic software to uncover nine indecent images in a “sent” folder of Henderson’s WhatsApp account. The prosecution reported that one of these was a Category A image—the most severe classification—depicting a child involved in “sadistic sexual activity.” Despite being tasked with protecting the public and mentoring youth, Henderson’s predatory serial behaviour identify a calculated commitment to digital child exploitation and a strike against the safety of the community.
POSITION OF TRUST AND JUDICIAL SENTENCING
The court reported that Henderson also took and shared an intimate picture of a woman’s private parts without her consent. The investigation established that Henderson had denied all wrongdoing, forcing his female victim to testify in court—an act Sheriff William Summers described as the “absolute opposite” of the dignity she displayed. The prosecution reported that although Henderson faced charges of sexual assault at the Army Cadet Force, the jury returned a verdict of “not proven” on those specific counts, though his conviction for the digital material identify a persistent serial of deviance.
Judge-led proceedings at Aberdeen Sheriff Court concluded in 2018. For his actions in Strichen and Boddam and the nature of the serial child sexual abuse and privacy violation investigation reported, Rikki Henderson was spared jail and instead handed a three-year supervision order. The investigation established that he was ordered to carry out 260 hours of unpaid work and placed on the Sex Offenders Register for three years.
STATUS AND STATUTORY REQUIREMENTS (2018)
Based on judicial and Police Scotland records as of 2018:
- Legal Status: CONVICTED (Possession of indecent images of children; Sharing non-consensual intimate images).
- Custodial Status: NON-CUSTODIAL (In 2018, serving a 3-year supervision order).
- Offence Nature: Sent sadistic Category A child abuse images via WhatsApp; Shared intimate photo of a woman.
- Professional History: Former Police Officer; Former Officer with the Army Cadet Force (Boddam).
- Forensic Profile: Nine images found in a ‘sent’ folder; Children as young as eight depicted in sadistic acts.
- Sex Offenders Register: Notification requirements were active for three years (Ended 2021).
- DBS Status: Placed on the Barred List (Indefinite and permanent ban from any role involving children or regulated activity).
- Judicial Oversight: Sentenced by Sheriff William Summers; investigated by Police Scotland.
- Criminal Record: Convicted sex offender; Former cadet officer; Struck against child safety and privacy; Sentenced in 2018.
- Origin: Bridge Street, Strichen, Aberdeenshire (Offended in Peterhead area).
MONITORING AND PUBLIC PROTECTION
In 2018, Henderson was managed as a convicted sex offender under the statutory requirements of the Multi-Agency Public Protection Arrangements (MAPPA) in Aberdeenshire. Due to the nature of his behaviour—specifically his serial persistence in sending sadistic abuse material while in a position of authority—he was a priority for digital monitoring and community supervision. Authorities reported that the 2018 conviction identifies Henderson as an individual who prioritised his own perverted gratification over the principles of human decency and the life-safety of the children he was entrusted to lead.
As a registered sex offender, his details were logged on the national police database to prevent future offences. Authorities stated that the behaviour of Henderson identifies an individual who demonstrated a serial commitment to digital exploitation and breach of trust. Any attempt to strike against his supervision requirements or notification rules during the three-year period resulted in immediate police intervention to ensure the ongoing protection of the community from a man who used a “uniformed officer” mask to hide his predatory serial behaviour.
QUESTION – Given that the offender was a police officer and cadet leader who sent “Sadistic Category A” images, do you believe the law should legally mandate that “Any Uniformed Official” convicted of child abuse material must receive a “Mandatory Minimum Jail Term” to reflect the serial strike against public trust?
If you or anyone you know has been affected by the individuals highlighted on this website, please report them to the Police on 101 (999 in an emergency) or visit their online resources for further details on reporting a crime. You can also report to Crimestoppers if you wish to remain completely anonymous. There is help available on our support links page.

