County lines is one of the most serious — and most misunderstood — forms of child criminal exploitation in the UK. This guide explains exactly what it is, who is at risk, the warning signs, and what schools and parents must do when they suspect a young person is being exploited.
Photo: The Safeguard Hub — county lines and child criminal exploitation
⚠ County lines is a form of modern slavery. Any young person you suspect is involved must be referred to your local MASH immediately — do not wait for proof.
"County lines" refers to criminal networks — often based in large cities — that use a dedicated mobile phone "line" to sell drugs across county borders into smaller towns and rural areas. Because adults in these networks face serious criminal risk, they systematically recruit and exploit children to transport and sell drugs for them. This is child criminal exploitation (CCE) — a form of abuse that is illegal regardless of whether the child appears willing.
In 2023–24, the National Crime Agency identified over 2,000 county lines operating across England and Wales.[1] The Children's Commissioner estimates that at least 27,000 children are involved in gang activity in England and Wales, with county lines being the primary recruitment model.[2]
Grooming for county lines rarely looks like coercion at first. Common recruitment tactics include:
High Concern — Refer to MASH
Unexplained cash, new phones or clothing; being found in another town or county; carrying or concealing drugs; injuries inconsistent with explanation; being "cuckooed" (using another person's home for drug dealing)
Moderate Concern — Record and Monitor
Unexplained absences; associating with unknown older individuals; becoming secretive about phone activity; withdrawing from usual friends and family; changes in school behaviour or performance
Early Warning — Discuss with DSL
Receiving gifts from unknown sources; talking about a new "older friend"; interest in gang culture, music, or social media accounts associated with local gangs
Under KCSIE 2025 (Para 31–36) and Working Together to Safeguard Children 2023, county lines involvement constitutes a form of abuse and must trigger a safeguarding response:
If you believe your child may be involved in county lines, do not confront them in anger — this often pushes children further into the network. Instead: contact your local police on 101 (or 999 if in immediate danger); call the NSPCC helpline on 0808 800 5000; speak to your child's school DSL; and visit The Children's Society for family support resources.
Citations
[1] National Crime Agency (2024). County Lines Drug Supply, Vulnerability and Harm 2023–24. NCA.
[2] Children's Commissioner for England (2019). Keeping Kids Safe: Improving Safeguarding Responses to Gang Violence and Criminal Exploitation. Children's Commissioner.
[3] DfE (2025). Keeping Children Safe in Education 2025. DfE.
[4] HM Government (2023). Working Together to Safeguard Children 2023. DfE.
[5] NSPCC (2024). County Lines: Learning from Case Reviews. NSPCC.