Answer: conspired

AnswerCrossword Clue
CONSPIREDPartnered in crime
CONSPIREDPlotted.
CONSPIREDWorked together
conspiredCONSPIRE, to plot together
conspired(of events or circumstances) Seem to be working together to bring about a particular result, typically to someone's detriment
conspiredMake secret plans jointly to commit an unlawful or harmful act