Twenty-three-year-old Lindsay Kantha Souvannarath (Sue-VANNA-rath) of Geneva, Ill., and 20-year-old Randall Steven Shepherd of Halifax each face charges including conspiracy to commit murder.
Court is set to resume May 12 for further discussion ahead of a preliminary inquiry tentatively set for June.
Outside court, Crown lawyer Shauna MacDonald says police are still disclosing evidence and much of it is in the form of social media reports.
A Crown document alleges the offences took place between Jan. 6 and Valentine's Day.
The Crown alleges the offences involved the Halifax Shopping Centre and were carried out in concert with James Lee Gamble, a 19-year-old man found dead in his Halifax home.