Usage patterns
〈事〉に疑いの余地はないthere is no room for doubt about ~
There is no doubt that he is the culprit.
〈事〉に疑いを持つto harbor doubts about ~
She had doubts about the story.
疑いを招くto arouse suspicion
Unnatural behavior invites suspicion.
Expressions
疑いの目suspicious glance; suspicious look 疑いが晴れるto be cleared of suspicion; to have one's name cleared