Recognise these faces? Police have released the CCTV images as part of investigations into crimes across Calderdale.
They believe the people could hold vital information – either as suspects or witnesses.
Anyone who knows who they are should call CrimeStoppers on 0800 555111, quoting the reference below the picture.
FA5805 may have information about a theft in Ovenden, Halifax, on June 7.
Police want to speak to FA5806 as part of inquiries into a theft in Ovenden, Halifax, on June 7.
Officers are keen to get in touch with FA5808 to speak to him about a theft in Halifax on July 6.
FA5844 may be able to help officers investigating a theft in Halifax on, June 15.
Police investigating a theft in Halifax on June 15 would like to speak to FA5845
FA5846 is being asked to get in touch with officers investigating an assault in Halifax on April 23.
FA5860 may have details that could help police dealing with a theft in Halifax on June 29.
Police are asking FA5876 to get in touch to help with inquiries into a burglary in Halifax on Thursday July 7.