WASHINGTON (CNN) -- Saying judges have been "intemperate or even abusive," Attorney General Alberto Gonzales on Tuesday ordered a review of immigration courts and insisted that they improve their treatment of immigrants. Gonzales did not say what prompted his sharply worded memo. However, aides said internal information and media reports prompted the unusual admonition of employees. "I have watched with concern the reports of immigration judges who fail to treat aliens appearing before them with appropriate respect and consideration, and who fail to produce the quality of work that I expect from employees of the Department of Justice," Gonzales wrote....