Table 1.
Dataset characterization.
Fig 1.
Intelligence-based networks (IN).
Original gang hierarchy from intelligence analysis in 2007 (left) and hierarchy after intelligence update in 2010 (right). Nodes numbered by gang member number. The arrows illustrate the chain of command in the hierarchy.
Fig 2.
Networks with nodes sized by degree centrality.
Upper panel: SN-surveillance network, lower panel: CN-co-offending network. Data from 1995–2010. Color scheme according to updated hierarchy.
Fig 3.
Co-offending network (CN) accumulated up to 2007.
Fig 4.
Networks with nodes sized by betweenness centrality.
Upper panel: SN-: surveillance network, lower panel: CN: -co-offending network. Data from 1995–2010.
Fig 5.
Networks with nodes sized by local clustering coefficient.
Upper panel: SN-: surveillance network, lower panel: CN: -co-offending network. Data from 1995–2010.
Table 2.
Summary of network properties, by network dataset.
Table 3.
Summary of network measures, by network dataset.
Table 4.
Network measures and ranking, by network dataset.
Fig 6.
Merging of SN and CN networks.
Data from 1995–2010.
Fig 7.
Normalized rankings across networks, by: (A) degree centrality, (B) betweenness centrality, and (C) local clustering coefficient.
Coloring according to updated assessment: red = level 1, green = level 2, blue = level 3, white = former member (color combinations are shown were more than one hierarchy level is present).
Table 5.
Pearson correlation between network measures.