The phrase "throw suspicion" is correct and usable in written English.
This phrase is typically used when a person or thing is suspected of something, and the suspicion increases because of certain events or evidence. Example: The strange behavior of the suspect threw suspicion on him for the robbery.
The killing immediately threw suspicion on the security services and the pro-Moscow Chechen forces that control Chechnya.
Her murder immediately threw suspicion on Russia's security services and the pro-Moscow Chechen forces that control Chechnya.
Trump has crossed the line time and again for the purpose of throwing suspicion on investigators, investigating political enemies, providing highly confidential information to his congressional allies and seeking to protect himself and his associates.
Clemenceau's associations with the Jewish financier Cornélius Herz, who was deeply involved in the affair, inevitably threw suspicion on him; later he was accused of being in the pay of the British Foreign Office.
Felt had an inventive period as he searched for himself, successively throwing suspicion on the county prosecutor in Miami, on the US Attorney's office in Washington, and even on someone in the White House.
Felt had an inventive period as he searched for himself, successively throwing suspicion on the county prosecutor in Miami (where some of the White House's illegal money had been laundered), on the US Attorney's office in Washington, and even on someone in the White House.
"They're throwing suspicion at every Muslim neighbor.
She had Frank plant Lila's wiped phone in Griffin's car, which throws suspicion off of Rebecca by indicating Griffin could have been jealous of Lila's other lover.
The announcements by police chief Khalid Abu Bakar throw further suspicion on Pyongyang over the apparent assassination of the exiled half-brother of the North Korean dictator, Kim Jong-un.
