, Cape Town is one of the most violent cities in the world

. Businesstech, , 2018.

, Police and communities must fight crime together

. South-african-government, MEC Nomusa Dube-Ncube condemns the brutal murder of Councillor Vusi Ntombela. South African Government, 2015.

M. J. Hattingh, The use of Facebook by a Community Policing Forum to combat crime, Proc SAICSIT '15, vol.2, issue.2, pp.1-10, 2015.

M. J. Hattingh and M. C. Matthee, Using Facebook to find missing persons: A crowd-sourcing perspective, Lecture Notes in Computer Science, vol.9844, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01702184

A. Powell, C. Overington, and G. Hamilton, Following #JillMeagher: Collective meaning-making in response to crime events via social media. Crime, Media, Cult An Int J, p.174165901772127, 2017.

R. P. Bostrom, J. S. Heinen, and J. S. Heinen, STS Perspective MIS Problems and Failures : A Socio-Technical Perspective Part I : The Causes By : Robert P, Bostrom, vol.1, issue.3, pp.17-32, 2016.

, The Social Media Landscape in South Africa, 2018.

K. Starbird and L. Palen, Self-Organizing by Digital Volunteers in Times of Crisis, 29th Annual CHI Conference on Human Factors in Computing Systems 2011 Proceedings

A. Leverentz and M. Williams, Contextualizing Community Crime Control: Race, Geography, and Configurations of Control in Four Communities, Criminology, vol.55, issue.1, pp.112-148, 2017.

E. Wedlock, Crime and cohesive communities, p.2017, 2006.

B. Roberts and S. Gordon, Pulling us apart? The association between fear of crime and social cohesion in South Africa, South African Crime Q, issue.55, pp.49-60, 2016.

J. Bendler, T. Brandt, S. Wagner, and D. Neumann, Investigating Crime-To-Twitter Relationships in Urban Environments -Facilitating a Virtual Neighborhood Watch. Twenty Second Eur Conf Inf Syst, pp.1-16, 2014.

S. Release, General Household Survey, p.2017, 2016.

R. J. Sampson, S. W. Raudenbush, and F. Earls, Neighborhoods and violent crime: a multilevel study of collective efficacy. Science (80-), vol.277, pp.918-942, 1997.

K. Choi, J. Lee, and Y. Chun, Why Do Citizens Participate in Community Crime Prevention Activities ?, pp.287-98, 2014.

P. J. Rey, Defining and Measuring Success for Online Crime-Prevention Communities, AMCIS 2011 Proceedings -All Submissions, 2011.

, SAPS. Services | SAPS (South African Police Service, 2018.

M. R. Lee, Community cohesion and violent predatory Victimization: A theoretical extension and cross-national test of opportunity theory, Social Forces, vol.79, pp.683-706, 2000.

, Institute for Security Studies, 2016.

J. Cherian and M. Dawson, RoboCop : Crime Classification and Prediction in San Francisco, 2014.

L. Lancaster and E. Kamman, Risky localities: Exploring a methodology for measuring socioeconomic characteristics of high murder areas. South African Crime Quarterly, 2016.

, Men! F seeks crowdsourcing help in B bombing case: I these two. McCullagh, C

X. Wang, M. S. Gerber, and D. E. Brown, Automatic crime prediction using events extracted from twitter posts, Lect Notes Comput Sci, vol.7227, pp.231-239, 2012.

M. S. Gerber, Predicting crime using Twitter and kernel density estimation, Decis Support Syst, vol.61, issue.1, pp.115-140, 2014.

C. Featherstone, The relevance of social media as it applies in South Africa to crime prediction, Inst Electr Electron Eng, pp.1-7, 2013.

C. Featherstone, Identifying vehicle descriptions in microblogging text with the aim of reducing or predicting crime, IEEE Int Conf Adapt Sci Technol ICAST, 2013.

, Number of smartphone users in South Africa from, 2014.

. Statista, , 2018.

, The Role of the Public in Strengthening Crime Prevention and Criminal Justice. In: 13th United Nation Congress on Crime Prevention and Criminal Justice, p.2, 2015.