After immediate safety needs are addressed, security should avoid unnecessary movement, cleaning or handling that could alter a scene that police or another authority may need to examine.
At a glance
- Ontario training includes protecting and securing a crime scene.
- Evidence training covers accepted preservation and presentation practices.
- Reports should document who entered the area and what was changed when that information is relevant.
What this means in practice
The official rules establish a baseline, but a workable security assignment still needs property-specific decisions. The client and provider should turn general requirements into clear instructions about what is checked, who can authorize exceptions, what must be documented and when another authority takes over.
Questions to confirm
- What must be moved for immediate safety?
- Who has entered the area since discovery?
- Has police or another authority provided instructions?
Picture this at your property
A broken window and disturbed office are found at opening. Unless safety demands otherwise, the area should be controlled and left as found until the proper authority advises on next steps.
The value of the example is the decision process: identify what is known, what remains uncertain, who has authority, and what information should be preserved for follow-up.
Practical takeaway
The strongest security process is usually the one that makes responsibilities, observations and escalation clear. That creates a service that can be understood and reviewed without overstating what security can guarantee.
Official sources & verification
1. Section 6: Emergency response preparation — Government of Ontario
2. Section 7: Canadian legal system — Government of Ontario
3. Section 4: Report writing — Government of Ontario
Last reviewed: 2026-08-08. This resource provides general information, not an emergency plan or legal advice. Follow the site’s approved emergency procedures and directions from police, fire, EMS or other competent authorities. Call 911 for an emergency or immediate threat.