Informations and complaints of a criminal nature must be made under oath; that is, they must be supported by affidavit of some competent person who knows the truth of the charge.85 An affidavit reciting that the affiant is informed and believes, and has good reason to believe that the offense was committed - though otherwise technically correct, is not sufficient to authorize the issuing of a warrant and cannot give the court jurisdiction.86

82 Gould vs. People, 89 Ill., 217.

83 Gould vs. People, 89 Ill., 217;

Parris vs. People, 76 Ill., 277.

84 4 Blackstone Com., 310.

85 State vs. Brooks, 33 Kan., 708;

Johnson vs. U. S., 85 Fed., 187. 88 People vs. Heffron, 53 Mich., 529; Shaw vs. Ashford, 110 Mich., 534; Mulkins vs. U. S. (Okl.), 61 Pac, 925.