Abu al-Hasan Ali bin Umar al-Daraqutni al-Hafiz (may Allah have mercy on him) said: Ibn al-Baylamani is da'if (weak); no proof can be taken from him even when he narrates a hadith with a connected chain, so how about what he narrates mursal? 'Wallahu a'lam' (And Allah knows best).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنايات / 15925