Dallas MackTwitter   email   LinkedIn  

Dallas Mack, creator and blogger at Mack's Criminal Law, is a graduate of the University of Ottawa with a BSc, Honours Chemistry, and an LLB.  After graduating with his LLB in 2001 Dallas articled at the Crown Attorney's office in Ottawa and was hired after his call to the bar of Ontario in September 2002.  

Dallas regularly prosecutes criminal matters in the Ontario and Superior Courts of Justice and has argued appeals at the summary conviction appeal level and the Ontario Court of Appeal.

In addition to his work as an Assistant Crown, Dallas was a co-author of the Crown Weekly Netletter (Lexis-Nexis Quicklaw) from 2002 until September 2010.  Presently he authors a number of publications including Mack's Criminal Law Bulletin, published on Westlaw's CriminalSource, Mack's Expert Evidence Compendium, a Thomson Reuters ProView product, Mack's Criminal Law Trial Book, published by Thomson Reuters [see Publications] and Mack’s Jury Charge Review. Over the past few years Dallas has also published papers on topics ranging from impaired driving to investigative detention [see Publications]. The Blog, which includes guests posts, has received awards including Feedspot awards in 2015, 2016 and 2017 (top 75 criminal law blogs and top 100 law blogs) and a Clawbies in 2015.

For several years Dallas was an adjunct professor at the University of Ottawa, Faculty of Law, where he taught Forensic Science and Criminal Law. Currently he is teaching a trial advocacy course, The Trial of a Murder. He regularly lectures for the Ottawa Police Service and the Ontario Crown Attorney's Association on topics including impaired driving (alcohol and drugs) and search and seizure. He is also a member of CanFRWG.

Dallas is the recipient of the Nelligan O'Brien Payne Award, an Excelsior Award (from the Ministry of the Attorney General, Ontario), the OPP Commissioner's Commendation and the Prosecutor of the Year Award (from the International Association of Financial Crime Investigators). 



Brian Holowka

Brian Holowka history and economics at the University of Ottawa and then attended law school at Osgoode Hall Law School where he graduated with an LLB in 1991. While at Osgoode Hall, Brian was a student in the Intensive Program in Criminal Law. Brian then articled at Greenspan, Humphrey, a boutique criminal defence firm in Toronto.

Following his call to the bar of Ontario in 1993, Brian clerked for the Ontario Court (General Division) and then joined the Crown system in 1994. He has worked as an Assistant Crown Attorney in both York and Peel Region until he joined the Ottawa Crown Attorney’s Office in 1999. He is presently a Deputy Crown Attorney in Ottawa.

Brian prosecutes and supervises prosecutors in the Ontario and Superior Courts of Justice and the Ontario Review Board. He is an active wiretap agent and a member of the Ontario’s Child Homicide Resource Team.

Brian is active in educating both Crown prosecutors and police officers in the law related to search and seizure, wiretapping and criminal organizations.  He is a director of the Ontario Crown Attorney’s Association/Ministry of the Attorney General Complex Prosecution Summer School. 

Sarah Sullivan

Sarah Sullivan is currently completing her articles with the Barrie Crown Attorney’s Office, with an anticipated call date of June 2015. She completed her law degree at the University of Ottawa, graduating cum laude. During law school, she completed an intensive student internship with the Ottawa Crown Attorney’s Office, and subsequently focused two directed research projects on criminal prosecutions. Sarah is a national moot champion, having won the Sopinka Cup Criminal Law Moot with her teammate in 2014. She was awarded Best Direct/Chief Examination, and brought the national title to the University of Ottawa for the first time.

Prior to studying law, Sarah graduated from York University summa cum laude with a Bachelor’s of Environmental Studies and a minor in Geography. She participated in a number of international field courses in Costa Rica, Hawaii and Australia; with a primary focus on conservation and ecology.

Upon being called to the bar, Sarah aspires to continue in her career as an Assistant Crown Attorney.

Louise Tansey: Twitter

After obtaining a BA in psychology and geography from Concordia University, Louise Tansey attended the University of Ottawa where she completed her LL.B (2008) and LL.L (2009).

While attending law school, Louise worked as a research assistant to the Cornwall Public Inquiry where she co-authored a paper entitled "Non-Familial Child Sexual Abuse: Sentencing Trends in Alberta, Ontario and Quebec 1968-2008". Louise also worked as a research assistant to several law professors where she lectured and assisted in the publication of articles and texts in the fields of environmental and Aboriginal law.

While completing her civil law degree, Louise worked at the Aboriginal and Circumpolar Affairs directorate of the Department of Foreign Affairs and International Trade where she conducted research and drafted materials for Government of Canada publications.

Upon completion of law school Louise articled at the Ottawa Crown Attorney's office where she was hired after her call to the bar of Ontario in 2010.Louise now prosecutes criminal matters in both official languages before the Ontario Provincial and Superior Courts of Justice. 


Other Contributors

Michael Giglio

Michael V. Giglio, BA, JD of the Ontario bar is a legal researcher, editor and writer in Toronto with a special interest in criminal and quasi-criminal law.

Michael received his BA from Trinity College, University of Toronto and his JD from Osgoode Hall in 1993; he was called to the Bar in 1995.