Please answer the following question: Question: What is Charlene's profession? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: Fatal Beauty Context: This article's plot summary may be too long or excessively detailed. Please help improve it by removing unnecessary details and making it more concise. (November 2011) (Learn how and when to remove this template message) Detective Rita Rizzoli (Whoopi Goldberg) is an undercover narcotics police officer who stages an undercover buy with drug dealer Tito Delgadillo, when during the bust she sees her friend and informant Charlene being dragged out of the bar by her pimp and runs to her aid, alerting Delgadillo of being an undercover cop. After saving Charlene and shooting the pimp, Rizzoli notices all the money used for the buy is missing. Delgadillo retreats to a warehouse in Los Angeles where a family of Asian immigrants is preparing plastic envelopes of imported cocaine stamped with the gang's brand name "Fatal Beauty". One worker, however, has been sampling too much of the drug and, in his intoxicated state, prepares envelopes with a fatally high concentration of cocaine and a misaligned stamp. Delgadillo discovers the error but before they can correct it, the house is attacked by two small-time hoods, Leo Nova and Earl Skinner (Brad Dourif and Mike Jolly) who kill everyone within including Delgadillo and steal the lethal product. Back at the police station, Rizzoli is chewed out by her boss, Lt. Kellerman (John P. Ryan), for ruining the bust when he receives a call in which Rizzoli is needed at the warehouse where the drugs were being made. At the warehouse Rizzoli identifies Delgadillo as the only victim whom authorities weren't able to identify because his face was mutilated during the attack by pointing out the diamond pinkie ring on his finger bearing his initials that he showed Rizzoli earlier that evening. Rizzoli also discovers traces of Fatal Beauty and Charlie Dawson's body, which was stuffed in a van labeled "Kroll Enterprises". The next morning Rizzoli receives a call from Charlene, asking for money. When Rizzoli refuses, Charlene offers some information about the drug-related murder the previous...
A:
undercover cop