1
Place the SUBJECT at the centre. The subject need not consent to being central.
2
Mark FRIENDS in red; acquaintances in green; persons known only through friends in brown.
3
Where a relationship is uncertain, draw the line anyway and reduce its thickness.
4
Where no relationship is known, consult the machine.
5
If the machine identifies a relationship the subject denies, record the denial as an additional relationship between the subject and the machine.
6
The map is complete when every person is connected.
7
A person with no connections is either innocent, dangerous, or a clerical error.
8
There are no clerical errors.