犯罪嫌疑人李某，在公安机关讯问中除交待了公安机关已掌握的在信用社门前抢夺一妇女的金项链事实以外，还交待了公安机关未曾掌握的多起敲诈勒索的犯罪事实。但是犯罪嫌疑人李某在检察机关审查起诉阶段和法院的审判阶段，否认了抢夺和敲许勒索的犯罪事实。上述情况，可否认定 The suspect Lee, in interrogation by the public security organ, not only confessed to the fact that the public security organ had mastered the fact that she seized the gold necklace of a woman in front of the credit cooperatives, but also confessed the fact that the public security organ did not grasp more than the extortion. However, the suspect, Lee, prosecuted prosecutors in the prosecution phase and the trial phase of the court, denied the robbery and ransomware extortion of the crime. The above situation, can you confirm