In 2026, 59-year-old Mark Klein, formerly of St Michael’s Court, Blackburn, Lancashire, was jailed for 21 months after carrying out a predatory series of assaults on the regulatory frameworks designed to protect the public. The investigation established that Klein was subject to a lifetime Sexual Offences Prevention Order (SOPO) originally imposed in 2013. The prosecution reported at Preston Crown Court that during a compliance check in April last year, enforcement officers discovered the unmonitored Snapchat application actively installed on Klein’s mobile phone, identifying a total abandonment of court-ordered decency by the 59-year-old.
SENTENCING — At a final disposition hearing held at Preston Crown Court last week, the judiciary imposed an immediate 21-month custodial sentence after Klein entered guilty pleas to two separate counts of breaching his SOPO. The court heard that while on active court bail for the initial digital violation, Klein was intercepted by monitoring officers in March 2026. Klein actively obstructed the compliance check by falsely claiming his mobile device was not inside his flat; however, a physical search uncovered the phone hidden on a bedside table, with forensic analysis proving it had been utilized moments before the officers’ arrival.
- OFFENCES: Pleaded guilty to two counts of breaching a Sexual Offences Prevention Order.
- OUTCOME: Jailed for 21 months.
- NATURE OF OFFENCE: The offender utilized unapproved end-to-end messaging software and deliberate structural concealment as a mechanical necessity to operate an unmonitored digital device. He intentionally deployed deception tactics to obstruct police monitoring teams while on active bail, directly violating a long-standing public safety order.
- LOCATION OF OFFENCES: Blackburn and Preston, Lancashire.
- PROFILE: Mark Klein, 59. He is documented as a non-compliant registered sex offender whose forensic history involves persistent evasion of statutory monitoring frameworks and unauthorized internet communication access.
- UK SEX OFFENDERS REGISTER: Subject to mandatory lifelong sex offender notification and restrictive order requirements managed under Lancashire Constabulary public protection frameworks.
- COURT PROCEEDINGS: Final sentencing completed at Preston Crown Court following a targeted enforcement and compliance operation by Lancashire Constabulary.
- CRIMINAL RECORD: Recidivist registered sex offender returned to immediate custody for systemic compliance failures in 2026.
- ORIGIN OF OFFENDER: Klein was formerly resident at St Michael’s Court, Blackburn, Lancashire.
QUESTION – Given that “a registered sex offender repeatedly breached a lifetime protective order by downloading unauthorized social media apps and hiding his phone from police while on bail,” do you believe the law should legally mandate that “All Registered Sex Offenders Who Intentionally Obstruct a Compliance Search” must be “Sentenced to Mandatory Whole-Life Incarceration Without Parole” to prevent a series of assaults?
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.

