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Criminal Defence Cases

Our past cases prove the practical and effective results in successfully defending and negotiating criminal charges. We will provide you with a step-by-step plan to defend your charges and ideally resolve before trial. Our criminal defence lawyer’s goal is to protect your criminal record and your freedom.

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R v Y.N. [Youth – Drumheller Provincial Court]

Offence: Sexual Assault

Result: Peace Bond & No Criminal Record


The young person was charged with sexual assault. Tonii Roulston reviewed the file and entered negotiations with the Crown Prosecutor. Tonii secured a peace bond for her client. The client avoided a jail sentence and does not have a criminal record.

R v J.Y. [Alberta Court of Queen’s Bench]

Offence: Two counts of attempted murder and two counts of aggravated assault.

Result: Not Criminally Responsible


The Accused was charged with two counts of attempted murder and two counts of aggravated assault. The Defence argued that the Court should find the Accused not criminally responsible as a result of a mental disorder. Specifically it was argued that he was suffering from a mental illness at the time of the attack that made it impossible to form the requisite intent. In July 2021 Justice Hall found the Accused not criminally responsible and directed that he appear before the Alberta Review Board for further assessment.

R v L.T. [Alberta Provincial Court]

Offence: Carrying a loaded handgun

Result: Stay of Proceedings


The Accused was charged with carrying a loaded 9 mm handgun. He was arrested by the Calgary Police Service. At the time of his arrest the handgun was located in the Accused’s waistband. During the arrest CPS utilized a police dog to apprehend the accused. The police dog caused significant injury to the Accused’s arm. The Accused while in police custody asked repeatedly to see a doctor. His requests were ignored for hours by Calgary Police Officers. At trial it was argued that the Accused’s Charter rights were breached as a result of the treatment of the Accused by multiple members of the Calgary Police Service. In agreeing with the argument of the Defence Judge H.A. Lamoureux found that CPS demonstrated a “lack of empathy toward a fellow human being, a lack of professionalism and ultimate disregard of their duty to protect the accused while he is in their custody”.

R v A.A. [Alberta Court of Queen’s Bench]

Offence: First Degree Murder

Result: First degree murder charge withdrawn


A.A was charged with first degree murder. The allegation was that she planned and participated in a murder when she was 15 years of age. Before the commencement of trial a number of pre-trial motions were made where Andrea argued that key pieces of evidence including a journal and statement made by the RCMP were obtained in violation of the young persons rights. The Court agreed and excluded from evidence a journal and a statement A.A had given to the RCMP. After the evidentiary rulings Crown counsel agreed to withdraw the charge of first degree murder if the young person entered a guilty plea to conspiracy to commit murder. The young person was ultimately sentenced to time served (1 year in custody plus probation).

R v E.S. [Calgary Provincial Court]

Offence: Assault

Result: The charges were withdrawn.


The client was accused of assaulting her son. Robin set the matter for trial and ran a preliminary inquiry. After the preliminary inquiry and discussions with the Crown the charges were withdrawn.

R v W.W. [Lethbridge Provincial Court]

Offence: Possession of a controlled substance for the purpose of trafficking, and possession of a stolen vehicle.

Result: The charges were withdrawn.


Client was charged with possession of a controlled substance for the purpose of trafficking, and possession of a stolen vehicle. Robin filed a Charter Notice arguing her client’s Charter Rights were breached by Police when they unlawfully searched the vehicle. The charges were withdrawn on the day of Trial.

R v T.E. [Calgary Court of Queen’s Bench]

Offence: Aggravated Assault

Result: The charges were stayed.


The client was charged with aggravated assault against her boyfriend. It was alleged that she cut his hand with a knife during a fight. Robin ran a Preliminary Inquiry and ran trial at the Court Queen’s Bench. As a result of Robin’s cross examination of the boyfriend, the Crown prosecutor stayed the charges.

R v M.L. [Calgary Provincial Court]

Offence: Assault

Result: The client was acquitted after trial


The client was charged with slamming her autistic son’s head in the door. Robin set the matter for Trial and ran a defence of accident. The client was acquitted after trial.

R v J.S. [Lethbridge Court of Queen’s Bench]

Offence: Sexual Assault

Result: The client was found not guilty


The client was charged with sexually assaulting his roommate. Robin ran the 4-day trial in Lethbridge. After cross examining the complainant, her boyfriend, and the complainant’s friend, the client was found not guilty.

R v S.W. [Calgary Court of Queen’s Bench]

The client was found guilty of 1st degree murder. Tonii Roulston and Andrea Urquhart represented the client. Despite a Mr. Big confession, the jury took 3 days to render their verdict.

The matter is currently under Appeal.