Complex sentence: Located on the eighth floor of Police Headquarters is the Real Time Crime Center an anticrime computer network which is essentially a large search engine and data warehouse operated by detectives to assist officers in the field with their investigations.
Split into simpler sentences: Located on the eighth floor of Police Headquarters is the Real Time Crime Center. The NYPD's headquarters houses an anticrime computer network which is essentially a large search engine and data warehouse operated by detectives to assist officers in the field with their investigations.