Sexual or Violent Offender Manager (MOSOVO)

Job Family Investigation
Job Sub Family Public Protection
Code INV-PP-SD-Sexual or Violent Offender Manager v1.0

Role Purpose

The Sexual or Violent Offender Manager is specially trained in the response to and Management of Sexual or Violent Offenders (MOSOVO) and Active Risk Management (ARMS).

Key Accountabilities

Collect and gather evidence and record and retain material from a range of sources in a format that is evidentially admissible to support the investigative process.

Assess individuals’ level of risk of harm they pose to others, to enable the development of a risk management plan to manage and mitigate this risk, implement and ensure compliance with this plan to manage the offender’s impact on the public.

Identify and implement interventions to maintain the safety and security of offenders at risk of harm.

Interview witnesses and suspects, in accordance with PIP 1 standards, and gather all required evidence and information within the criminal law and the legal framework to help bring offenders to justice.

Use designated powers to arrest and apprehend where necessary and issue special warnings, as well as carry out associated custody procedures to protect and safeguard the public in accordance with legislation and policy.

Liaise and work with other investigators and managers to share information on offenders and support potential investigations.

Ensure all material, including exhibits, are seized, examined and retained in accordance with legislation and policy, where necessary to uphold the integrity and robustness of the investigative process.

Prepare reports on the outcome of investigations and maintain and record risk management plans on Violent and Sex Offender Register (ViSOR) to ensure best practice procedures are followed and that there is an accurate audit trail.

Work in partnerships with agencies, such as the National Probation Service, social workers and health professionals, to develop networks, enable best use of resources, enable joined up approaches to services, and drive safeguarding of victims.

Contribute to the Multi Agency Public Protection Arrangements (MAPPA), providing updates on offenders, and update records to support and enable joined up public agency management of offenders.


All roles are expected to know, understand and act within the ethics and values of the Police Service.

The Competency and Values Framework (CVF) has six competencies that are clustered into three groups. Under each competency are three levels that show what behaviours will look like in practice.

It is suggested that this role should be operating or working towards the following levels of the CVF:

Resolute, compassionate and committed

Inclusive, enabling and visionary leadership

Intelligent, creative and informed policing

Education, Qualifications, Skills and Experience

Prior Education and Experience:

Successfully completed the College of Policing MOSOVO and Active Risk Management Systems (ARMS) courses.

Successfully completed Level 1 of the Public Protection Learning Programme (PPLP).

Experience in conducting volume and priority crime investigations.

Experience in interviewing to PIP 1 standards.

Risk matrix 2000 training.

ViSOR training.


Able to set out logical arguments clearly, adapting language, form and message to meet the needs of different people / audiences.

The ability to listen, empathise, and provide support to individuals.

Skilled in the use of use IT packages, systems and/or databases to fulfil role requirements.

Able to break down a complex problem into component parts and determine appropriate action in investigations.

Ability to work effectively in a team to achieve shared objectives, demonstrating awareness of individual differences and providing support and advice as required.

Ability to develop a risk management plan and plan to short to medium term cycles.

Able to write clear and concise reports and other documents within best practice procedures.

Able to identify key stakeholders, understand potential roles and to take appropriate steps to understand their needs and concerns.

Able to identify the strengths and weaknesses of partners and potential opportunities for collaboration.

Continuing Professional Development (CPD)

Keep up-to-date with changing legislation and current national priorities relating to all key areas within Public Protection and how these might affect the management of serious or violent offenders e.g. Domestic Abuse and Coercive Control.

Join the POLKA community, Management of Sexual Offenders and Violent Offenders, and participate in relevant discussions.

Maintain knowledge of College of Policing Guidance on Managing sexual offenders and violent offenders.

Read current Multi-Agency Public Protection Arrangement (MAPPA) guidance and apply to current working practices

Read published research from the What Works Centre relating to Public Protection and evaluate potential to inform current working practices.

Maintain awareness of national policing priorities and current Public Protection initiatives.

Analyse the impact of the Independent Police Complaints Commission’s (IPCC) Learning the Lessons reports relating to Management of Sexual or Violent Offenders (MOSOVO) cases.

Read the Crown Prosecution Service (CPS) guidance relating to sexual offences and identify how this can be applied to working practices.

Have regular conversations with your line manager regarding your psychological and emotional wellbeing.

Professional Registration/Licenses

PIP Accreditation

Assessed competence against relevant professional standards for this role is required to achieve PIP accreditation. Maintenance of this accreditation requires the demonstration of continued competence against professional standards as well as evidence of CPD, in line with the College’s Model.

Links to other Profiles

Child Abuse Investigator
Domestic Abuse Investigator
Missing Persons Coordinator
Rape and Specialist Sexual Assault Investigator
Sexual Offences Investigation Trained Officer
Victim Identification CAID
Modern Slavery Investigator

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