RT Article T1 The Interurban network of criminal collaboration in Canada JF Canadian journal of criminology and criminal justice VO 64 IS 2 SP 101 OP 123 A1 Carrington, Peter J. 1946- A2 Graham, Alexander V. LA English YR 2022 UL https://krimdok.uni-tuebingen.de/Record/1805359924 AB The interurban network of criminal collaboration in Canada is described, and possible explanations for its structure are explored. The data include all police-reported co-offences in the 32 major cities of Canada during 2006–09. Component analysis and graph drawings in network space and in geospace elucidate the structure of the network. Quadratic assignment procedure multiple regressions, repeated separately on the networks of instrumental and noninstrumental co-offences, test hypotheses about possible determinants of the network structure. The cities form one connected component, containing two clusters connected by a link between Toronto and Vancouver. One cluster, centred on the triad of Toronto, Montreal, and Ottawa, comprises the cities in Ontario and Quebec, with weak links to cities in the Atlantic provinces. The other cluster, centred on Vancouver, comprises the cities in the four western provinces. The structure is strongly correlated with the residential mobility of the general population, which in turn is strongly correlated with intercity distances. The correlation with mobility is less strong for instrumental than for noninstrumental crimes. The structure of this co-offending network can be explained by criminals’ routine activities, namely ordinary residential mobility, but the alternative explanation of purposive interurban criminal collaboration is more plausible for instrumental crime. K1 Co-offending K1 Criminal collaboration K1 Criminal network K1 Spatial network K1 Census metropolitan area K1 Instrumental crime K1 Noninstrumental crime DO 10.3138/cjccj.2022-0004