In late 1960s, he represented several high ranking officials of the Kingdom of Libya in the Libyan People's Court, a televised trial.

[2] The start of his diplomatic career was marked by his appointment as Libya's permanent representative to the United Nations and ambassor to Canada.

Maghur led the Libyan delegation to the International Court of Justice related to the continental shelf dispute between Libya and Tunisia.

[5] The result of the ICJ judgement led to Libya's eventual development of the Bouri Field, the largest producing oilfield in the Mediterranean.

[10] This led to the presence of the two accused before a special sitting of the Scottish Court in the Netherlands at the Pan Am Flight 103 bombing trial and the lifting of decade-old sanctions on Libya.

[11] He continued to head the defense team of Lamin Khalifah Fhimah and Abdelbaset al-Megrahi, in addition to their respective solicitors and advocates who represented them.

[13] In his semi-autobiographical Mahatat, published in 1995, Maghur mirrors his life between his birth in Dahra, Tripoli and his formative years in Cairo.