11/28/2013 01:46 EST | Updated 01/28/2014 05:59 EST

Dale Martin Sr. Faces Sex Charges Involving Teens Who Worked At Funeral Home

WIN-Initiative via Getty Images

LETHBRIDGE, Alta. - An 83-year-old man faces sex-related charges involving four boys he worked with at a funeral home in southern Alberta in the 1970s and '80s.

Police in Lethbridge say the alleged victims were between 12 and 15 years old at the time.

They say one of the complainants came to police in August and an investigation identified three more.

Arthur Ernest Martin, also known as Dale Martin Sr., is charged with four counts of indecent assault and one count of sexual assault.

The Lethbridge man is to appear in court Jan. 8.