Pope Francis is due to meet young people in a stadium in the Congolese capital on Thursday morning, the third day of his African trip.
UNODC says trafficked medical products kill almost half a million sub-Saharan Africans, including Nigerians, every year.
He condemned “terrible forms of exploitation, unworthy of humanity” in Congo, where vast mineral wealth has fuelled war, displacement and hunger.
The Congolese, the pope said in his homily, were suffering from “wounds that ache.”
Ms Botey’s new position was announced on state television late on Tuesday.
MNJTF claimed killing dozens of terrorists in recent Lake Chad Basin operations.
After the morning mass, Pope Francis in the afternoon was due to meet victims of violence brought to Kinshasa from the east of the country.
Mahious scored his fourth and fifth goals of the tournament in the first-half to secure the emphatic victory for the Desert Warriors in Oran.
At least 28 people, including soldiers and civilians, were killed in two separate gun attacks on Sunday and Monday in Burkina Faso.
Gunmen opened fire on birthday party guests, killing eight and wounding three. The celebrant was among the deceased.
