Answer :
The "Lacks case" refers to the case of Henrietta Lacks, this woman suffered cervical cancer. During her hospitalization a sample of healthy and tumoral cervical cells was taken without her consent.
Later, this samples were used by a doctor who successfully cultivated them, creating the first line of human cells that were grown in the lab.
Later, another dr, named Chester Southan, started experimenting using the cells by injecting them on patients with cancer and healthy volunteers without telling them that he was injecting them with cancer cells.
The controversy generated by this case, because people was being infected with cancer cells without their knowledge