An Indonesian woman forced her teenager daughter have a threesome with her and her partner to help 'spice up their sex lives', local police say.
The couple, who have since been arrested, reportedly began sexually abusing the 16-year-old girl in Jakarta last October.
At first, they allegedly tried to bribe her by offering her cash and a smartphone but she declined, so her mother ordered her to part-take in the incestuous act.
The abuse claim was only revealed after the girl told her real father, who immediately contacted the police.
Andi Sinjaya, the Chief Commissioner of Police, said the couple told him they had wanted to 'try a new sensation in their sexual lives'.
He said the idea had initially been the stepfather's but the mother had gone along with it.
The couple, who have since been arrested, reportedly began sexual abusing the 16-year-old girl in Jakarta, Indonesia, last October.