After a string of condiment attacks on its book drop, a Boise area library has now found its culprit. According to MSNBC, Joy Cassidy, 75, pleaded guilty on Friday to charges of malicious injury to property.† There were 10 different assaults on the book drop totaling in more than $1,000 in damages. Cassidy must serve a month in jail and is ordered to have no contact with any public libraries in the Boise area for two years. The first attack was in 2009 when corn syrup was dumped down the library’s drive-up drop box. Other condiment attacks included ketchup, maple syrup and mayonnaise.