VN em ko biết ra sao không có public trên mạng, chứ bên Mỹ là 24 tiếng mới bắt đầu coi là mất tích.
http://www.missingwomeninquiry.ca/w...sing-Persons-Suspected-Multiple-Homicides.pdf
An alternative checklist was developed based on the criteria compiled by the US
National Center for Missing and Exploited Children:
A missing person fifteen years of age or younger.
A missing person believed to be out of the range of safety appropriate to
his/her mental age.
A missing person who is physically or mentally incapacitated.
A missing person who is drug or medication dependent.
A missing person who is a possible victim of foul play or sexual
exploitation.
A missing person who might be in a dangerous physical or social
environment.
A missing person who has been absent twenty‐four hours before being
reported.
A missing youth believed to be in company of adult(s) likely to endanger
the welfare of minors.
A missing person considered likely to resort to crime either to maintain life
or obtain drugs. 104
A missing person whose absence is a significant departure from
established patterns, which cannot be explained
