bá​chū​luó​bo​dài​chū​ní

to uncover related issues during an investigation

拔出萝卜带出泥 拔出蘿蔔帶出泥 bá​chū​luó​bo​dài​chū​ní
to uncover related issues during an investigation
Literally meaning "to pull out a radish and bring up the mud"; used to describe uncovering further crimes or accomplices during an investigation, or causing additional trouble while trying to solve a problem