 Catulus defeated him at the Milvian bridge and near Cosa in Etruria after which Lepidus made his escape to Sardinia, where he died soon afterwards.In 67 and 66 Catulus unsuccessfully opposed the Gabinian and Manilian laws which he viewed as prejudicial to constitutional freedom because they conferred special powers upon Pompey.He consistently opposed Julius Caesar, whom he endeavoured to implicate in the Catilinarian conspiracy.