When no arrest is made, it will usually be because the scene is relatively safe and/or ambiguous, with no clear perpetrator, victim or specific evidence of an offence.

• 没有做出拘捕的时候，通常是因为局面相对安定，还有/或者也搞不清楚到底形势如何，这造成了没有施暴者、受害者或者是某项犯罪的具体证据。