Googling "crime down in seattle due to lower reporting rates" results in:
"While crime rates in Seattle have recently shown a decrease, some reports suggest this may be partially attributed to a decline in reporting rather than a genuine reduction in criminal activity. Specifically, some authorities have noted that crimes against businesses, in particular, are frequently not reported."
"The police chief specifically mentioned that a 10% drop in property crime might not be entirely accurate because many business-related crimes go unreported."
"While crime rates in Seattle have recently shown a decrease, some reports suggest this may be partially attributed to a decline in reporting rather than a genuine reduction in criminal activity. Specifically, some authorities have noted that crimes against businesses, in particular, are frequently not reported."
"The police chief specifically mentioned that a 10% drop in property crime might not be entirely accurate because many business-related crimes go unreported."