It’s an old movie (maybe 70’s or 80’s) about an old man that lives with his granddaughter in a rural area. At the beginning, they are going to church while some burglars break into their house. Later, the old man captures the burglars and starts torturing them, to the point where the burglars want to call the police
Axe (AKA Lisa, Lisa) (1977)?
https://www.imdb.com/title/tt0075710/?ref_=nv_sr_srsg_7_tt_6_nm_2_q_axe
“Sunday in the Country” (1974)?
https://m.imdb.com/title/tt0075382/?ref_=fn_al_tt_6
It was also known as. “Vengeance is Mine”.