Table 1. Dataset characterization.

Data source	Intelligence	Surveillance	Co-offending
Biases	Availability	Sampling bias	Missing data
	Anchoring	Halo effect	Common sense bias
	Halo effect	Representativeness bias	Innocence factor
Network	Intelligence network (IN)	Surveillance network (SN)	Co-offending network (CN)
Nodes	Gang members	Gang members and associates	Gang members and co-offenders
Links	Intelligence assessment	Surveillance observations	Co-offending in crime