Canadian Criminal Law/Offences/Prison Breach

Proof of the Offence
In addition to the essential elements of time, location, and identity, the Crown should prove:

section 144(a)
 * 1) the accused breaks a prison
 * 2) the accused used force or violence
 * 3) the specifically intended to set himself or another person free from prison

section 144(b)
 * 1) the accused is confined in a cell or another place in prison
 * 2) the accused uses force to break out of or make breaches in that place of confinement