This notion of false accusations occurring often came about after the police and investigators began to follow an '' over-cautious approach '' when addressing reports of domestic violence , but the study showed there were only a few false allegations during seventeen months over 2011 - 2012 .
This notion of frequent false accusations came about after the police and investigators began to follow an '' over-cautious approach '' when addressing reports of domestic violence . 
 However , the study showed there were only a few false allegations during seventeen months over 2011 - 2012 .