(Indianapolis, Indiana) Indianapolis police say they have few clues in the slayings of an elderly gay couple found in their home earlier this week.

Police have not divulged how Milton Lindgren, 70, and Eric Hendricks, 73, were murdered, or how long their bodies had been inside the house. A police spokesperson would say only that the men died by “violent means.”

Officers were sent to the home after friends notified police that the men had not been seen for some time.

Investigators say they have not determined a motive for the slayings, but friends say they believe the men were killed because they were gay.

One friend, Patrick Beard, told WRTV that the men had been targeted by vandals, with their phone and cable lines cut twice in the past few months, and that homophobic graffiti was found on their front door.

“I firmly believe it was definitely a hate crime. Milt was 70 and his partner was 73 and to go into someone’s home and do something like that, it’s just too coincidental,” Beard told WRTV.

“I’m not a genius, but if someone’s being harassed like that and fagot gets stamped on their door on a piece of paper, it’s not that hard to connect the dots two months later that these two people are brutally killed in their home,” Beard said.

Police say only that they are investigating all possibilities.