As you can see, it is al alternate spelling for "offense"

The definition that is relevant here is an "infraction of the law"

In this particular case the offence, or offense, or infraction of the law is unconstitutional because it is treating a suspect, not proven guilgy of the crime or infraction itself, as if he had already been found gulty.

Merriam-Webster Dictionary


Main Entry:
of·fense Listen to the pronunciation of offense Listen to the pronunciation of offense
Variant(s):
or of·fence Listen to the pronunciation of offence Listen to the pronunciation of offence \ə-ˈfen(t)s, especially for 3 ˈä-ˌfen(t)s, ˈȯ-\
Function:
noun
Etymology:
Middle English, from Anglo-French, from Latin offensa, from feminine of offensus, past participle of offendere
Date:
14th century

1 aobsolete : an act of stumbling barchaic : a cause or occasion of sin : stumbling block2: something that outrages the moral or physical senses3 a: the act of attacking : assault b: the means or method of attacking or of attempting to score c: the offensive team or members of a team playing offensive positions d: scoring ability4 a: the act of displeasing or affronting b: the state of being insulted or morally outraged <takes offense at the slightest criticism>5 a: a breach of a moral or social code : sin , misdeed b: an infraction of law ; especially : misdemeanor
— of·fense·less Listen to the pronunciation of offenseless \-ləs\ adjective

Mike :)